Backport PR ipython#13024: Documentation fixes

docs/source/interactive/python-ipython-diff.rst

@@ -46,9 +46,9 @@ All the following construct are valid IPython syntax:
 .. code-block:: ipython
 
     In [1]: my_files = !ls ~/
-    In [1]: for i,file in enumerate(my_file):
+    In [1]: for i, file in enumerate(my_files):
        ...:     raw = !echo $file
-       ...:     !echo {files[0].upper()} $raw
+       ...:     !echo {file[0].upper()} $raw
 
 
 .. code-block:: ipython
@@ -193,10 +193,9 @@ You can combine the different possibilities in for loops, condition, functions..
 .. code-block:: ipython
 
     my_files = !ls ~/
-    b = "backup file"
-    for i,file in enumerate(my_file):
+    for i, file in enumerate(my_files):
         raw = !echo $backup $file
-        !cp $file {file.split('.')[0]+'.bak'}
+        !cp $file {file.split('.')[0] + '.bak'}
 
 
 Magics
@@ -239,11 +238,3 @@ Magic with two percent sign can spread over multiple lines, but do not support a
     devfs          190Ki  190Ki    0Bi   100%      656       0  100%   /dev
     map -hosts       0Bi    0Bi    0Bi   100%        0       0  100%   /net
     map auto_home    0Bi    0Bi    0Bi   100%        0       0  100%   /hom
-
-
-Combining it all
-----------------
-
-::
-
-    find a snippet that combine all that into one thing!

docs/source/interactive/tutorial.rst

@@ -90,7 +90,7 @@ completion also works on file and directory names.
 Starting with IPython 6.0, if ``jedi`` is installed, IPython will try to pull
 completions from Jedi as well. This allows to not only inspect currently
 existing objects, but also to infer completion statically without executing
-code. There is nothing particular need to get this to work, simply use tab
+code. There is nothing particular needed to get this to work, simply use tab
 completion on more complex expressions like the following::
 
     >>> data = ['Number of users', 123456]