Some documentation edits [ci skip]

* Fix a few typos
* Wrap some lines around 80 chars
* Rephrase some statements

1 files changed, 3 insertions, 3 deletions

diff --git a/activesupport/lib/active_support/core_ext/module/remove_method.rb b/activesupport/lib/active_support/core_ext/module/remove_method.rb
index 8a2569a7d0..52632d2c6b 100644
--- a/activesupport/lib/active_support/core_ext/module/remove_method.rb
+++ b/activesupport/lib/active_support/core_ext/module/remove_method.rb
@@ -1,13 +1,13 @@
 class Module
-  # Remove the named method, if it exists.
+  # Removes the named method, if it exists.
   def remove_possible_method(method)
     if method_defined?(method) || private_method_defined?(method)
       undef_method(method)
     end
   end
 
-  # Replace the existing method definition, if there is one, with the contents
-  # of the block.
+  # Replaces the existing method definition, if there is one, with the passed
+  # block as its body.
   def redefine_method(method, &block)
     remove_possible_method(method)
     define_method(method, &block)