diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index a7e0e7e..f15d3b1 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -103,7 +103,7 @@
 zuG			Undo |zW| and |zG|, remove the word from the internal
 			word list.  Count used as with |zg|.
 
-							*:spe* *:spellgood*
+						*:spe* *:spellgood* *E1280*
 :[count]spe[llgood] {word}
 			Add {word} as a good word to 'spellfile', like with
 			|zg|.  Without count the first name is used, with a