Switched to new naming conventions

[ci skip]

activerecord/CHANGELOG.md

@@ -1,13 +1,13 @@
 ## Rails 4.0.0 (unreleased) ##
 
 *   Added Statement Cache to allow the caching of a single statement. The cache works by
-    duping the relation returned from yielding a statement which allows skipping the AST
-    building phase.
+    duping the relation returned from yielding a statement, which allows skipping the AST
+    building phase for following executes. The cache returns results in array format.
 
     Example:
 
       cache = ActiveRecord::StatementCache.new do
-        Book.where(:name => "my book").limit(100)
+        Book.where(name: "my book").limit(100)
       end
 
       books = cache.execute

activerecord/lib/active_record/statement_cache.rb

@@ -4,7 +4,7 @@ module ActiveRecord
   # Initializing the cache is done by passing the statement in the initialization block:
   #
   # cache = ActiveRecord::StatementCache.new do
-  #   Book.where(:name => "my book").limit(100)
+  #   Book.where(name: "my book").limit(100)
   # end
   #
   # The cached statement is executed by using the +execute+ method: