diff --git a/activesupport/lib/active_support/notifications.rb b/activesupport/lib/active_support/notifications.rb
index 8cf7bdafda..9794527752 100644
--- a/activesupport/lib/active_support/notifications.rb
+++ b/activesupport/lib/active_support/notifications.rb
@@ -4,7 +4,7 @@
 module ActiveSupport
   # = Notifications
   #
-  # +ActiveSupport::Notifications+ provides an instrumentation API for Ruby.
+  # <tt>ActiveSupport::Notifications</tt> provides an instrumentation API for Ruby.
   #
   # == Instrumenters
   #