Fixed typos in activerecord

activerecord/lib/active_record/attribute_methods.rb

@@ -334,7 +334,7 @@ module ActiveRecord
     private
 
     # Returns a Hash of the Arel::Attributes and attribute values that have been
-    # type casted for use in an Arel insert/update method.
+    # typecasted for use in an Arel insert/update method.
     def arel_attributes_with_values(attribute_names)
       attrs = {}
       arel_table = self.class.arel_table

activerecord/lib/active_record/migration.rb

@@ -102,7 +102,7 @@ module ActiveRecord
   #   table definition.
   # * <tt>drop_table(name)</tt>: Drops the table called +name+.
   # * <tt>change_table(name, options)</tt>: Allows to make column alterations to
-  #   the table called +name+. It makes the table object availabe to a block that
+  #   the table called +name+. It makes the table object available to a block that
   #   can then add/remove columns, indexes or foreign keys to it.
   # * <tt>rename_table(old_name, new_name)</tt>: Renames the table called +old_name+
   #   to +new_name+.

activerecord/lib/active_record/relation.rb

@@ -603,7 +603,7 @@ module ActiveRecord
           "\n" \
           "    Post.includes(:comments).where(\"comments.title = 'foo'\")\n" \
           "\n" \
-          "Currently, Active Record recognises the table in the string, and knows to JOIN the " \
+          "Currently, Active Record recognizes the table in the string, and knows to JOIN the " \
           "comments table to the query, rather than loading comments in a separate query. " \
           "However, doing this without writing a full-blown SQL parser is inherently flawed. " \
           "Since we don't want to write an SQL parser, we are removing this functionality. " \

activerecord/lib/active_record/relation/finder_methods.rb

@@ -37,7 +37,7 @@ module ActiveRecord
     end
 
     # Finds the first record matching the specified conditions. There
-    # is no implied ording so if order matters, you should specify it
+    # is no implied ordering so if order matters, you should specify it
     # yourself.
     #
     # If no record is found, returns <tt>nil</tt>.

activerecord/test/cases/validations/uniqueness_validation_test.rb

@@ -54,7 +54,7 @@ class UniquenessValidationTest < ActiveRecord::TestCase
     assert !t2.save, "Shouldn't save t2 as unique"
     assert_equal ["has already been taken"], t2.errors[:title]
 
-    t2.title = "Now Im really also unique"
+    t2.title = "Now I am really also unique"
     assert t2.save, "Should now save t2 as unique"
   end