diff --git a/lib/action_controller/serialization.rb b/lib/action_controller/serialization.rb
index d8d63a3c..6a67275c 100644
--- a/lib/action_controller/serialization.rb
+++ b/lib/action_controller/serialization.rb
@@ -2,7 +2,7 @@ module ActionController
   # Action Controller Serialization
   #
   # Overrides render :json to check if the given object implements +active_model_serializer+
-  # as a method. If so, use the returned serializer instead of calling +to_json+ in the object.
+  # as a method. If so, use the returned serializer instead of calling +to_json+ on the object.
   #
   # This module also provides a serialization_scope method that allows you to configure the
   # +serialization_scope+ of the serializer. Most apps will likely set the +serialization_scope+
diff --git a/lib/active_model/array_serializer.rb b/lib/active_model/array_serializer.rb
index 8c6106bd..518323ca 100644
--- a/lib/active_model/array_serializer.rb
+++ b/lib/active_model/array_serializer.rb
@@ -5,7 +5,7 @@ require 'active_support/descendants_tracker'
 module ActiveModel
   # Active Model Array Serializer
   #
-  # It serializes an Array, checking if each element that implements
+  # Serializes an Array, checking if each element implements
   # the +active_model_serializer+ method.
   #
   # To disable serialization of root elements: