diff --git a/spec/project_spec.rb b/spec/project_spec.rb
index c4e7b41..2915623 100644
--- a/spec/project_spec.rb
+++ b/spec/project_spec.rb
@@ -127,7 +127,7 @@
       describe 'link to related issue' do
         let(:issues) do
           entries.map do |entry|
-            entry.match(/\[(?<number>[#\d]+)\]\((?<url>[^\)]+)\)/)
+            entry.match(/\[(?<number>[#\d]+)\]\((?<url>[^)]+)\)/)
           end.compact
         end
 
@@ -168,7 +168,7 @@
             entry
               .gsub(/`[^`]+`/, '``')
               .sub(/^\*\s*(?:\[.+?\):\s*)?/, '')
-              .sub(/\s*\([^\)]+\)$/, '')
+              .sub(/\s*\([^)]+\)$/, '')
           end
         end
 
@@ -179,7 +179,7 @@
         end
 
         it 'ends with a punctuation' do
-          expect(bodies).to all(match(/[\.\!]$/))
+          expect(bodies).to all(match(/[.!]$/))
         end
       end
     end