update link in CHANGES

tony · tony · commit 90cd0f78ee4e · 2013-11-20T11:51:43.000-06:00
diff --git a/CHANGES b/CHANGES
@@ -18,7 +18,7 @@ Here you can find the recent changes to tmuxp.
 - [tests] WorkspaceBuilder tests have been improved to use async better.
 
 .. _Issue #15: https://github.com/tony/tmuxp/issues/15
-
+.. _Issue #21: https://github.com/tony/tmuxp/issues/21
 
 2013-11-17
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