diff --git a/man3/tmpnam.3 b/man3/tmpnam.3
index 9875a89ea..869ca3c13 100644
--- a/man3/tmpnam.3
+++ b/man3/tmpnam.3
@@ -51,7 +51,7 @@ in time, so that naive programmers may think it
 a suitable name for a temporary file.
 If the argument
 .I s
-is NULL this name is generated in an internal static buffer
+is NULL, this name is generated in an internal static buffer
 and may be overwritten by the next call to
 .BR tmpnam ().
 If