diff --git a/multiton/README.md b/multiton/README.md
index 68fb6bbc6..0462ff0ec 100644
--- a/multiton/README.md
+++ b/multiton/README.md
@@ -9,6 +9,9 @@ tags:
  - Difficulty-Beginner
 ---
 
+## Also known as
+Registry
+
 ## Intent
 Ensure a class only has limited number of instances, and provide a
 global point of access to them.