Tiny documentation improvements [ci skip]

activemodel/lib/active_model/serialization.rb

@@ -31,8 +31,9 @@ module ActiveModel
   # of the attributes hash's keys. In order to override this behavior, take a look
   # at the private method +read_attribute_for_serialization+.
   #
-  # JSON Serialization module is automatically include the <tt>ActiveModel::Serialization</tt>
-  # module, so there is no need to explicitly include it.
+  # The JSON serialization is provided by default when you include the
+  # <tt>ActiveModel::Serialization</tt> module, so there is no need to explicitly
+  # include it.
   #
   # A minimal implementation including JSON would be:
   #

activesupport/lib/active_support/number_helper.rb

@@ -136,8 +136,8 @@ def number_to_percentage(number, options = {})
     # * <tt>:separator</tt> - Sets the separator between the
     #   fractional and integer digits (defaults to ".").
     # * <tt>:delimiter_pattern</tt> - Sets a custom regular expression used for
-    #   for deriving, the placement of delimiter. Helpful when using currency
-    #   formats like INR.
+    #   deriving the placement of delimiter. Helpful when using currency formats
+    #   like INR.
     #
     # ==== Examples
     #
@@ -150,9 +150,10 @@ def number_to_percentage(number, options = {})
     #   number_to_delimited(12345678.05, locale: :fr)    # => 12 345 678,05
     #   number_to_delimited('112a')                      # => 112a
     #   number_to_delimited(98765432.98, delimiter: ' ', separator: ',')
-    #   number_helper.number_to_delimited("123456.78",
-    #   delimiter_pattern: /(\d+?)(?=(\d\d)+(\d)(?!\d))/)  # => 1,23,456.78
-    #   # => 98 765 432,98
+    #                                                    # => 98 765 432,98
+    #   number_to_delimited("123456.78",
+    #     delimiter_pattern: /(\d+?)(?=(\d\d)+(\d)(?!\d))/)
+    #                                                    # => 1,23,456.78
     def number_to_delimited(number, options = {})
       NumberToDelimitedConverter.convert(number, options)
     end