diff --git a/History.txt b/History.md
similarity index 51%
rename from History.txt
rename to History.md
index 478eebc..d677d2e 100644
--- a/History.txt
+++ b/History.md
@@ -1,151 +1,151 @@
-=== 1.1.1 / 2020-07-10
+### 1.1.1 / 2020-07-10
 
 * Changes:
   * Bump the default Java bytecode to 1.7.
-    #172 [Patch by Charles Oliver Nutter]
+    [#172](https://github.com/rake-compiler/rake-compiler/pull/172) [Patch by Charles Oliver Nutter]
 
 * Enhancements:
   * Add support for finding x86_64 MinGW GCC.
-    #164 [Patch by Lars Kanis]
+    [#164](https://github.com/rake-compiler/rake-compiler/pull/164) [Patch by Lars Kanis]
   * Strip cross compiled shared library automatically.
-    #165 [Patch by Lars Kanis]
+    [#165](https://github.com/rake-compiler/rake-compiler/pull/165) [Patch by Lars Kanis]
 
-=== 1.1.0 / 2019-12-25
+### 1.1.0 / 2019-12-25
 
 * Bugfixes:
   * Fix a bug that JavaExtenstionTask can't build anything.
-    #163 [Reported by Kai Kuchenbecker]
+    [#163](https://github.com/rake-compiler/rake-compiler/issues/163) [Reported by Kai Kuchenbecker]
 
-=== 1.0.9 / 2019-12-23
+### 1.0.9 / 2019-12-23
 
 * Changes:
   * Use "-Xlint" option for JRuby native extension by default.
-    #158 [Patch by Stephen George]
+    [#158](https://github.com/rake-compiler/rake-compiler/pull/158) [Patch by Stephen George]
 
 * Enhancements:
   * Make customizable compiler Xlint option for JRuby native extension.
-    #118 [Patch by Hiroshi Hatake]
+    [#118](https://github.com/rake-compiler/rake-compiler/pull/118) [Patch by Hiroshi Hatake]
   * Add support for Ruby 2.7.
-    #161 [Reported by Masaki Hara]
+    [#161](https://github.com/rake-compiler/rake-compiler/pull/161) [Reported by Masaki Hara]
 
-=== 1.0.8 / 2019-09-21
+### 1.0.8 / 2019-09-21
 
 * Enhancements:
   * Added Rake::JavaExtensionTask#encoding= to pass the -encoding option to
     javac.
-    #157 [Patch by Tiago Dias]
+    [#157](https://github.com/rake-compiler/rake-compiler/pull/157) [Patch by Tiago Dias]
 
 * Bugfixes:
   * Drop EOL'd rubyforge_project directive from .gemspec.
-    #155 [Patch by Olle Jonsson]
+    [#155](https://github.com/rake-compiler/rake-compiler/pull/155) [Patch by Olle Jonsson]
 
-=== 1.0.7 / 2019-01-04
+### 1.0.7 / 2019-01-04
 
 * Bugfixes:
   * Fix a bug that JRuby class path detection is failed on
     cross-compilation.
-    #149 #151 [Reported by Chalupa Petr][Patch by Prashant Vithani]
+    [#149](https://github.com/rake-compiler/rake-compiler/issues/149) [#151](https://github.com/rake-compiler/rake-compiler/pull/151) [Reported by Chalupa Petr][Patch by Prashant Vithani]
 
-=== 1.0.6 / 2018-12-23
+### 1.0.6 / 2018-12-23
 
 * Enhancements:
   * Stop to make unreleased Ruby installable.
-    #150 [Reported by MSP-Greg]
+    [#150](https://github.com/rake-compiler/rake-compiler/issues/150) [Reported by MSP-Greg]
 
-=== 1.0.5 / 2018-08-31
+### 1.0.5 / 2018-08-31
 
 * Enhancements:
   * Improve JRuby class pass detection.
-    #147 [Patch by Prashant Vithani]
+    [#147](https://github.com/rake-compiler/rake-compiler/pull/147) [Patch by Prashant Vithani]
   * Update the default source and target versions to Java 6.
-    #148 [Patch by Prashant Vithani]
+    [#148](https://github.com/rake-compiler/rake-compiler/pull/148) [Patch by Prashant Vithani]
 
-=== 1.0.4 / 2017-05-27
+### 1.0.4 / 2017-05-27
 
 * Enhancements:
   * Migrate to RSpec 3 from RSpec 2.
   * Add more tests.
-    #140 [Patch by Lars Kanis]
+    [#140](https://github.com/rake-compiler/rake-compiler/pull/140) [Patch by Lars Kanis]
   * Support C++ source files by default.
-    #141 [Patch by Takashi Kokubun]
+    [#141](https://github.com/rake-compiler/rake-compiler/pull/141) [Patch by Takashi Kokubun]
   * Suppress warnings.
-    #142 [Patch by Akira Matsuda]
+    [#142](https://github.com/rake-compiler/rake-compiler/pull/142) [Patch by Akira Matsuda]
 
-=== 1.0.3 / 2016-12-02
+### 1.0.3 / 2016-12-02
 
 * Enhancements:
   * Support specifying required Ruby versions.
-    #137 [Patch by Lars Kanis]
+    [#137](https://github.com/rake-compiler/rake-compiler/pull/137) [Patch by Lars Kanis]
 
-=== 1.0.2 / 2016-11-13
+### 1.0.2 / 2016-11-13
 
 * Bugfixes:
   * Fix Ruby version detection example code in README.
-    #135 [Patch by Nicolas Noble]
+    [#135](https://github.com/rake-compiler/rake-compiler/pull/135) [Patch by Nicolas Noble]
   * Fix version detection.
-    #136 [Patch by Lars Kanis]
+    [#136](https://github.com/rake-compiler/rake-compiler/pull/136) [Patch by Lars Kanis]
 
-=== 1.0.1 / 2016-06-21
+### 1.0.1 / 2016-06-21
 
 * Bugfixes:
   * Add missing dependency.
 
-=== 1.0.0 / 2016-06-21
+### 1.0.0 / 2016-06-21
 
 * Enhancements:
   * Really support extension in sub directory.
 
-=== 0.9.9 / 2016-05-10
+### 0.9.9 / 2016-05-10
 
 * Bugfixes:
   * Support Symbol as extension name again.
-    #134 [Patch by Takashi Kokubun]
+    [#134](https://github.com/rake-compiler/rake-compiler/pull/134) [Patch by Takashi Kokubun]
 
-=== 0.9.8 / 2016-04-29
+### 0.9.8 / 2016-04-29
 
 * Enhancements:
   * Support extension in sub directory.
-    #128, #129 [Patch by Kenta Murata]
+    [#128](https://github.com/rake-compiler/rake-compiler/pull/128), [#129](https://github.com/rake-compiler/rake-compiler/pull/129) [Patch by Kenta Murata]
 
-=== 0.9.7 / 2016-03-16
+### 0.9.7 / 2016-03-16
 
 * Bugfixes:
   * May fix "make" detection on Windows.
-    #123 [Reported by Aaron Stone]
+    [#123](https://github.com/rake-compiler/rake-compiler/issues/123) [Reported by Aaron Stone]
 
-=== 0.9.6 / 2016-03-04
+### 0.9.6 / 2016-03-04
 
 * Enhancements:
   * Add more descriptions into README.
-    Closes #105 [Patch by Aaron Stone]
+    Closes [#105](https://github.com/rake-compiler/rake-compiler/pull/105) [Patch by Aaron Stone]
   * Remove needless executable bits.
-    Closes #107 [Patch by Thibault Jouan]
+    Closes [#107](https://github.com/rake-compiler/rake-compiler/pull/107) [Patch by Thibault Jouan]
   * Update .gitignore.
-    Closes #108 [Patch by Thibault Jouan]
+    Closes [#108](https://github.com/rake-compiler/rake-compiler/pull/108) [Patch by Thibault Jouan]
   * Improve "make" detection on some platforms such as FreeBSD.
-    Closes #109 [Patch by Thibault Jouan]
+    Closes [#109](https://github.com/rake-compiler/rake-compiler/pull/109) [Patch by Thibault Jouan]
   * Enable cucumber steps for POSIX on *BSD.
-    Closes #110 [Patch by Thibault Jouan]
+    Closes [#110](https://github.com/rake-compiler/rake-compiler/pull/110) [Patch by Thibault Jouan]
   * Stop to build bundled extensions.
   * Add description about CLI option into README.
-    Closes #115 [Patch by Richard Michael]
+    Closes [#115](https://github.com/rake-compiler/rake-compiler/pull/115) [Patch by Richard Michael]
   * Update description about using rake-compiler on virtual machine in
     README.
-    Closes #116, #117 [Patch by Lars Kanis]
+    Closes [#116](https://github.com/rake-compiler/rake-compiler/pull/116), [#117](https://github.com/rake-compiler/rake-compiler/pull/117) [Patch by Lars Kanis]
   * Update fake mechanism to be compatible with Bundler.
-    Closes #121 [Patch by Lars Kanis]
+    Closes [#121](https://github.com/rake-compiler/rake-compiler/pull/121) [Patch by Lars Kanis]
 
 * Bugfixes:
   * Fix typos in README.
-    Closes #102, #103 [Patch by Robert Fletcher]
+    Closes [#102](https://github.com/rake-compiler/rake-compiler/pull/102), [#103](https://github.com/rake-compiler/rake-compiler/pull/103) [Patch by Robert Fletcher]
 
-=== 0.9.5 / 2015-01-03
+### 0.9.5 / 2015-01-03
 
 * Enhancements:
   * Support adding bundled files in cross_compiling block.
-    Closes #100 [Patch by Aaron Stone]
+    Closes [#100](https://github.com/rake-compiler/rake-compiler/pull/100) [Patch by Aaron Stone]
 
-=== 0.9.4 / 2014-12-28
+### 0.9.4 / 2014-12-28
 
 * Notes:
   * Change maintainer to Kouhei Sutou from Luis Lavena.
@@ -155,134 +155,140 @@
 
 * Bugfixes:
   * Loose RubyGems dependency a little bit to ease old Debian/Ubuntu.
-    Closes #93
+    Closes [#93](https://github.com/rake-compiler/rake-compiler/issues/93)
 
-=== 0.9.3 / 2014-08-03
+### 0.9.3 / 2014-08-03
 
 * Bugfixes:
   * Fix specs to run (and pass) on Ruby 2.1 and beyond.
-    Pull #94 [hggh]
+    Pull [#94](https://github.com/rake-compiler/rake-compiler/pull/94) [hggh]
 
-=== 0.9.2 / 2013-11-14
+### 0.9.2 / 2013-11-14
 
 * Bugfixes:
   * Pre-load resolver to avoid Bundler blow up during cross-compilation
-    Pull #83 [larskanis]
+    Pull [#83](https://github.com/rake-compiler/rake-compiler/pull/83) [larskanis]
 
-=== 0.9.1 / 2013-08-03
+### 0.9.1 / 2013-08-03
 
 * Bugfixes:
   * Restore compatibility with RubyGems platforms for cross-compilation
     (i386-mingw32 and x86-mingw32 are the same and supported)
 
-=== 0.9.0 / 2013-08-03
+### 0.9.0 / 2013-08-03
 
 * Enhancements:
   * Add support for cross-builds and multiple platforms (x86/x64).
-    Pull #74 [larskanis]
+    Pull [#74](https://github.com/rake-compiler/rake-compiler/pull/74) [larskanis]
 
-      $ rake-compiler cross-ruby VERSION=1.8.7-p371
-      $ rake-compiler cross-ruby VERSION=1.9.3-p392
-      $ rake-compiler cross-ruby VERSION=2.0.0-p0
-      $ rake-compiler cross-ruby VERSION=2.0.0-p0 HOST=x86_64-w64-mingw32
-      $ rake cross compile RUBY_CC_VERSION=1.8.7:1.9.3:2.0.0
+    ```text
+    $ rake-compiler cross-ruby VERSION=1.8.7-p371
+    $ rake-compiler cross-ruby VERSION=1.9.3-p392
+    $ rake-compiler cross-ruby VERSION=2.0.0-p0
+    $ rake-compiler cross-ruby VERSION=2.0.0-p0 HOST=x86_64-w64-mingw32
+    $ rake cross compile RUBY_CC_VERSION=1.8.7:1.9.3:2.0.0
 
-      # Rakefile
-      ext.cross_platform = %w[i386-mingw32 x64-mingw32]
+    # Rakefile
+    ext.cross_platform = %w[i386-mingw32 x64-mingw32]
+    ```
 
-  * Support for cross-platform specific options. Pull #74 [larskanis]
+  * Support for cross-platform specific options. Pull [#74](https://github.com/rake-compiler/rake-compiler/pull/74) [larskanis]
 
-      # Rakefile
-      ext.cross_config_options << "--with-common-option"
-      ext.cross_config_options << {"x64-mingw32" => "--enable-64bits"}
+    ```ruby
+    # Rakefile
+    ext.cross_config_options << "--with-common-option"
+    ext.cross_config_options << {"x64-mingw32" => "--enable-64bits"}
+    ```
 
 * Bugfixes:
-  * Correct fat-gems support caused by RubyGems issues. Pull #76 [knu]
+  * Correct fat-gems support caused by RubyGems issues. Pull [#76](https://github.com/rake-compiler/rake-compiler/pull/76) [knu]
 
 * Deprecations:
   * Requires minimum Ruby 1.8.7 and RubyGems 1.8.25
   * Usage of 'i386-mswin32' needs to be changed to 'i386-mswin32-60'
 
-=== 0.9.0.pre.1 / 2013-05-05
+### 0.9.0.pre.1 / 2013-05-05
 
 See 0.9.0 changes.
 
-=== 0.8.3 / 2013-02-16
+### 0.8.3 / 2013-02-16
 
 * Bugfixes:
-  * Support FreeBSD 'mingw32-gcc' cross compiler. Closes #72 [knu]
+  * Support FreeBSD 'mingw32-gcc' cross compiler. Closes [#72](https://github.com/rake-compiler/rake-compiler/pull/72) [knu]
 
-=== 0.8.2 / 2013-01-11
+### 0.8.2 / 2013-01-11
 
 * Bugfixes:
-  * Unset CC, LDFLAGS and CPPFLAGS prior cross-compiling. Closes #55
+  * Unset CC, LDFLAGS and CPPFLAGS prior cross-compiling. Closes [#55](https://github.com/rake-compiler/rake-compiler/issues/55)
 
-=== 0.8.1 / 2012-04-15
+### 0.8.1 / 2012-04-15
 
 * Bugfixes:
-  * Raise error when either make or gmake could be found. Closes #53, #54
+  * Raise error when either make or gmake could be found. Closes [#53](https://github.com/rake-compiler/rake-compiler/issues/53), [#54](https://github.com/rake-compiler/rake-compiler/pull/54)
 
-=== 0.8.0 / 2012-01-08
+### 0.8.0 / 2012-01-08
 
 * Enhancements:
   * Invocation from command line now support extra options similar to RubyGems.
-    Closes #4 from Pull #47 [jonforums]
+    Closes [#4](https://github.com/rake-compiler/rake-compiler/issues/4) from Pull [#47](https://github.com/rake-compiler/rake-compiler/pull/47) [jonforums]
 
-      $ rake compile -- --with-opt-dir=/opt/local
+        $ rake compile -- --with-opt-dir=/opt/local
 
 * Bugfixes:
   * Only emit cross-compilation warnings for C when `cross` is invoked.
-    Closes #16 from Pull #48 [mvz]
+    Closes [#16](https://github.com/rake-compiler/rake-compiler/issues/16) from Pull [#48](https://github.com/rake-compiler/rake-compiler/pull/48) [mvz]
   * Only emit warnings when invoking cross-compilation tasks for JRuby.
-    Pull #45 [jfirebaugh]
-  * Use x86 MinGW cross-compiler. Pull #49 [larskanis]
+    Pull [#45](https://github.com/rake-compiler/rake-compiler/pull/45) [jfirebaugh]
+  * Use x86 MinGW cross-compiler. Pull [#49](https://github.com/rake-compiler/rake-compiler/pull/49) [larskanis]
 
-=== 0.7.9 / 2011-06-08
+### 0.7.9 / 2011-06-08
 
 * Enhancements:
   * Consistently use RubyGems features available since version 1.3.2 and avoid
     deprecation warnings with Rake > 0.8.7.
 
 * Bugfixes:
-  * Use correct platform in fake.rb. Pull #39 [kou]
-  * Workaround Gem::Specification and Gem::PackageTask limitations. Closes #43
+  * Use correct platform in fake.rb. Pull [#39](https://github.com/rake-compiler/rake-compiler/pull/39) [kou]
+  * Workaround Gem::Specification and Gem::PackageTask limitations. Closes [#43](https://github.com/rake-compiler/rake-compiler/issues/43)
 
-=== 0.7.8 / 2011-04-26
+### 0.7.8 / 2011-04-26
 
 * Enhancements:
   * Bump default cross-ruby version to 1.8.7-p334.
   * ExtensionTask now support config_includes to load additional directories.
     [jfinkhaeuser]
 
+    ```ruby
     Rake::ExtensionTask.new("myext", GEM_SPEC) do |ext|
       ext.config_includes << File.expand_path("my", "custom", "dir")
     end
+    ```
 
 * Bugfixes:
-  * Warn if compiled files exists in extension's source directory. Closes GH-35
-  * Workaround issue with WINE using proper build option. Closes GH-37
-  * Use FileUtils#install instead of cp. Closes GH-33 [Eric Wong]
-  * Update README instructions for OSX. Closes GH-29 [tmm1]
+  * Warn if compiled files exists in extension's source directory. Closes [#35](https://github.com/rake-compiler/rake-compiler/issues/35)
+  * Workaround issue with WINE using proper build option. Closes [#37](https://github.com/rake-compiler/rake-compiler/issues/37)
+  * Use FileUtils#install instead of cp. Closes [#33](https://github.com/rake-compiler/rake-compiler/issues/33) [Eric Wong]
+  * Update README instructions for OSX. Closes [#29](https://github.com/rake-compiler/rake-compiler/issues/29) [tmm1]
 
-=== 0.7.7 / 2011-04-04
+### 0.7.7 / 2011-04-04
 
 * Bugfixes:
   * Use Winsock2 as default to match Ruby 1.9.2 library linking.
 
-=== 0.7.6 / 2011-02-04
+### 0.7.6 / 2011-02-04
 
 * Bugfixes:
   * Prefer Psych over Syck for YAML parsing on Ruby 1.9.2. [tenderlove]
 
-=== 0.7.5 / 2010-11-25
+### 0.7.5 / 2010-11-25
 
 * Enhancements:
-  * Promoted stable version for cross-compilation to 1.8.6-p398. Closes GH-19
+  * Promoted stable version for cross-compilation to 1.8.6-p398. Closes [#19](https://github.com/rake-compiler/rake-compiler/issues/19)
 
 * Bugfixes:
-  * Generate a fake.rb compatible with Ruby 1.9.2. Closes GH-25
-  * fake.rb will not try to mimic Ruby's own fake to the letter. Closes GH-28
-  * Expand symlinks for tmp_dir. Closes GH-24
+  * Generate a fake.rb compatible with Ruby 1.9.2. Closes [#25](https://github.com/rake-compiler/rake-compiler/issues/25)
+  * fake.rb will not try to mimic Ruby's own fake to the letter. Closes [#28](https://github.com/rake-compiler/rake-compiler/issues/28)
+  * Expand symlinks for tmp_dir. Closes [#24](https://github.com/rake-compiler/rake-compiler/issues/24)
   * Silence make output during rake-compiler invocation.
   * Usage of Gem.ruby instead of RbConfig ruby_install_name
     This solve issues with ruby vs. ruby.exe and jruby.exe
@@ -291,23 +297,23 @@ See 0.9.0 changes.
   * Allow setting of HOST during cross-compilation. This enable usage
     of mingw-w64 compiler and not the first one found in the PATH.
 
-      rake-compiler cross-ruby VERSION=1.9.2-p0 HOST=i686-w64-mingw32
-      rake-compiler cross-ruby HOST=i386-mingw32 (OSX mingw32 port)
-      rake-compiler cross-ruby HOST=i586-pc-mingw32 (Debian/Ubuntu mingw32)
+        rake-compiler cross-ruby VERSION=1.9.2-p0 HOST=i686-w64-mingw32
+        rake-compiler cross-ruby HOST=i386-mingw32 (OSX mingw32 port)
+        rake-compiler cross-ruby HOST=i586-pc-mingw32 (Debian/Ubuntu mingw32)
 
-=== 0.7.1 / 2010-08-07
+### 0.7.1 / 2010-08-07
 
 * Bugfixes:
-  * Update gem files to make "gem install -t" works. Closes GH-14
-  * Update mocks to work under 1.8.7. Closes GH-15 [luisparravicini]
-  * Do not allow cross-ruby be executed under Windows. Closes GH-22
+  * Update gem files to make "gem install -t" works. Closes [#14](https://github.com/rake-compiler/rake-compiler/issues/14)
+  * Update mocks to work under 1.8.7. Closes [#15](https://github.com/rake-compiler/rake-compiler/issues/15) [luisparravicini]
+  * Do not allow cross-ruby be executed under Windows. Closes [#22](https://github.com/rake-compiler/rake-compiler/issues/22)
 
 * Experimental:
   * Allow JRuby to compile C extensions [timfel].
     It is now possible compile C extensions using latest JRuby. Offered
     in experimental mode since JRuby cext hasn't been officially released.
 
-=== 0.7.0 / 2009-12-08
+### 0.7.0 / 2009-12-08
 
 * Enhancements
   * Allow generation of JRuby extensions. Thanks to Alex Coles (myabc) for the
@@ -315,6 +321,7 @@ See 0.9.0 changes.
     This will allow, with proper JDK tools, cross compilation of JRuby gems
     from MRI.
 
+    ```ruby
       Rake::JavaExtensionTask.new('my_java_extension', GEM_SPEC) do |ext|
         # most of ExtensionTask options can be used
         # plus, java_compiling:
@@ -322,21 +329,24 @@ See 0.9.0 changes.
           gem_spec.post_install_message = "This is a native JRuby gem!"
         end
       end
+    ```
 
     Please note that cross-compiling JRuby gems requires either JRUBY_HOME or
     JRUBY_PARENT_CLASSPATH environment variables being properly set.
 
-  * Allow alteration of the Gem Specification when cross compiling. Closes GH-3
+  * Allow alteration of the Gem Specification when cross compiling. Closes [#3](https://github.com/rake-compiler/rake-compiler/issues/3)
     This is useful to indicate a custom requirement message, like DLLs
     installation or similar.
 
-      Rake::ExtensionTask.new('my_extension', GEM_SPEC) do |ext|
-        ext.cross_compile = true
-        # ...
-        ext.cross_compiling do |gem_spec|
-          gem_spec.post_install_message = "You've installed a binary version of this gem"
-        end
+    ```ruby
+    Rake::ExtensionTask.new('my_extension', GEM_SPEC) do |ext|
+      ext.cross_compile = true
+      # ...
+      ext.cross_compiling do |gem_spec|
+        gem_spec.post_install_message = "You've installed a binary version of this gem"
       end
+    end
+    ```
 
 * Bugfixes
   * Detect GNU make independently of distribution based naming.
@@ -344,32 +354,32 @@ See 0.9.0 changes.
   * Usage of #dup to duplicate gemspec instead of YAML dumping.
   * No longer support Ruby older than 1.8.6
   * No longer support RubyGems older than 1.3.5
-  * Force definition of binary directory and executables. Closes GH-11
-  * Workaround path with spaces issues using relative paths. Closes GH-6
+  * Force definition of binary directory and executables. Closes [#11](https://github.com/rake-compiler/rake-compiler/issues/11)
+  * Workaround path with spaces issues using relative paths. Closes [#6](https://github.com/rake-compiler/rake-compiler/issues/6)
   * Removed gemspec, GitHub gems no more
 
 * Known issues
   * Usage of rake-compiler under projects with Jeweler requires some tweaks
-    Please read issue GH-73 for Jeweler:
-    http://github.com/technicalpickles/jeweler/issues#issue/73
+    Please read issue 73) for Jeweler:
+    http://github.com/technicalpickles/jeweler/issues/73
 
     For a workaround, look here:
     http://gist.github.com/251663
 
-=== 0.6.0 / 2009-07-25
+### 0.6.0 / 2009-07-25
 
 * Enhancements
   * Implemented 'fat-binaries' generation for cross compiling
     (for now). Thanks to Aaron Patterson for the suggestion and
     original idea.
 
-      rake cross native gem RUBY_CC_VERSION=1.8.6:1.9.1
+        rake cross native gem RUBY_CC_VERSION=1.8.6:1.9.1
 
     Will package extensions for 1.8 and 1.9 versions of Ruby.
   * Can now cross compile extensions for 1.9 using 1.8.x as base.
     Be warned: works from 1.8 to 1.9, but not if your default ruby is 1.9
 
-      rake cross compile RUBY_CC_VERSION=1.9.1
+        rake cross compile RUBY_CC_VERSION=1.9.1
 
   * Allow simultaneous versions of Ruby to compile extensions.
     This change allow 1.8.x compiles co-exist with 1.9.x ones
@@ -379,26 +389,28 @@ See 0.9.0 changes.
   * Allow optional source file URL for cross-compile tasks.
     (Thanks to deepj for the patches)
 
-      rake-compiler cross-ruby VERSION=1.9.1-p0 SOURCE=http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p0.tar.bz2
+        rake-compiler cross-ruby VERSION=1.9.1-p0 SOURCE=http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p0.tar.bz2
 
 * Bugfixes
   * Removed strict versioning for gems since it clash with fat binaries.
     From now on, if your gem only targets a specific version of Ruby, please
     indicate it in the Gem::Specification (<tt>required_ruby_version</tt>)
 
-=== 0.5.0 / 2009-04-25
+### 0.5.0 / 2009-04-25
 
 * Enhancements
   * Allow generation of multiple gems for Windows (EXPERIMENTAL)
     This allows build gems for both VC6 and MinGW builts of Ruby
     (Thanks to Jonathan Stott for the suggestion)
 
-      Rake::ExtensionTask.new('my_extension', GEM_SPEC) do |ext|
-        ext.cross_compile = true
-        ext.cross_platform = ['i386-mswin32', 'i386-mingw32']
-      end
+    ```ruby
+    Rake::ExtensionTask.new('my_extension', GEM_SPEC) do |ext|
+      ext.cross_compile = true
+      ext.cross_platform = ['i386-mswin32', 'i386-mingw32']
+    end
+    ```
 
-=== 0.4.1 / 2009-04-09
+### 0.4.1 / 2009-04-09
 
 * Enhancements
   * Target specific versions of Ruby when generating binaries.
@@ -410,15 +422,17 @@ See 0.9.0 changes.
     Not all users of a project would have it installed.
     (Thanks to Aaron Patterson for the patch)
 
-=== 0.4.0 / 2009-04-03
+### 0.4.0 / 2009-04-03
 
 * Enhancements
   * Bended the convention for extension folder.
     Defining <tt>ext_dir</tt> for custom extension location.
 
-      Rake::ExtensionTask.new('my_extension') do |ext|
-        ext.ext_dir = 'custom/location'         # look into custom/location
-      end                                       # instead of ext/my_extension
+    ```ruby
+    Rake::ExtensionTask.new('my_extension') do |ext|
+      ext.ext_dir = 'custom/location'         # look into custom/location
+    end                                       # instead of ext/my_extension
+    ```
 
   * Better detection of mingw target across Linux/OSX.
     Exposed it as Rake::ExtensionCompiler
@@ -431,7 +445,7 @@ See 0.9.0 changes.
   * Proper usage of Gem::Platform for native gems (Thanks to Dirkjan Bussink).
   * Don't use autoload for YAML (present problems with Ruby 1.9.1).
 
-=== 0.3.1 / 2009-01-09
+### 0.3.1 / 2009-01-09
 
 * Enhancements
   * Download cross-ruby source code using HTTP instead of FTP.
@@ -442,13 +456,13 @@ See 0.9.0 changes.
   * Use proper binary extension on OSX (reported by Dirkjan Bussink).
   * Ensure lib/binary task is defined prior clear of requisites.
 
-=== 0.3.0 / 2008-12-07
+### 0.3.0 / 2008-12-07
 
 * New features
   * Let you specify the Ruby version used for cross compilation instead
     of default one.
 
-      rake cross compile RUBY_CC_VERSION=1.8
+        rake cross compile RUBY_CC_VERSION=1.8
 
 * Enhancements
   * Properly update rake-compiler configuration when new version is installed.
@@ -457,7 +471,7 @@ See 0.9.0 changes.
 * Bugfixes
   * Corrected documentation to reflect the available options
 
-=== 0.2.1 / 2008-11-30
+### 0.2.1 / 2008-11-30
 
 * New features
 
diff --git a/rake-compiler.gemspec b/rake-compiler.gemspec
index 5234a3c..fac6d83 100644
--- a/rake-compiler.gemspec
+++ b/rake-compiler.gemspec
@@ -40,7 +40,7 @@ Gem::Specification.new do |s|
   # documentation
   s.rdoc_options << '--main'  << 'README.md' << '--title' << 'rake-compiler -- Documentation'
 
-  s.extra_rdoc_files = %w(README.md LICENSE.txt History.txt)
+  s.extra_rdoc_files = %w(README.md LICENSE.txt History.md)
 
   # project information
   s.homepage          = 'https://github.com/rake-compiler/rake-compiler'