diff --git a/lispref/positions.texi b/lispref/positions.texi
index d8242158675..f37d885627d 100644
--- a/lispref/positions.texi
+++ b/lispref/positions.texi
@@ -677,7 +677,7 @@ deeper in parentheses (@minus{}@var{arg} levels).
 @deffn Command forward-sexp &optional arg
 This function moves forward across @var{arg} (default 1) balanced expressions.
 Balanced expressions include both those delimited by parentheses and
-other kinds, such as words and string constants
+other kinds, such as words and string constants.
 @xref{Parsing Expressions}.  For example,
 
 @example