diff --git a/doc/undotree.txt b/doc/undotree.txt
index d56c4da..4a1e3b6 100644
--- a/doc/undotree.txt
+++ b/doc/undotree.txt
@@ -387,7 +387,6 @@ List of the commands available for redefinition.
     <plug>UndotreeRedo
     <plug>UndotreeUndo
     <plug>UndotreeEnter
-    <plug>UndotreeEnter
 <
 
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