diff --git a/activesupport/lib/active_support/rescuable.rb b/activesupport/lib/active_support/rescuable.rb
index e0fa29cacb..2b965677f3 100644
--- a/activesupport/lib/active_support/rescuable.rb
+++ b/activesupport/lib/active_support/rescuable.rb
@@ -14,12 +14,12 @@ module ActiveSupport
end
module ClassMethods
- # Rescue exceptions raised in controller actions.
+ # Registers exception classes with a handler to be called by rescue_with_handler.
#
# rescue_from receives a series of exception classes or class
- # names, and a trailing :with option with the name of a method
- # or a Proc object to be called to handle them. Alternatively a block can
- # be given.
+ # names, and an exception handler specified by a trailing :with
+ # option containing the name of a method or a Proc object. Alternatively, a block
+ # can be given as the handler.
#
# Handlers that take one argument will be called with the exception, so
# that the exception can be inspected when dealing with it.