diff --git a/doc/lispref/symbols.texi b/doc/lispref/symbols.texi
index 3a767892ff1..8ae2d1fc88b 100644
--- a/doc/lispref/symbols.texi
+++ b/doc/lispref/symbols.texi
@@ -694,7 +694,7 @@ As can be seen, it's quite tedious to read or develop this code since
 the symbol names to type are so long.  We can use shorthands to
 alleviate that.
 
-@lisp1
+@lisp
 (defun snu-split (separator s &optional omit-nulls)
   "A match-data saving variation on `split-string'."
   (save-match-data (split-string s separator omit-nulls)))