diff --git a/lib/singleton.rb b/lib/singleton.rb
index b433208e01..d457fa0b0f 100644
--- a/lib/singleton.rb
+++ b/lib/singleton.rb
@@ -170,4 +170,8 @@ module Singleton
   ##
   # :singleton-method: _load
   #  By default calls instance(). Override to retain singleton state.
+
+  ##
+  # :singleton-method: instance
+  #  Returns the singleton instance.
 end