1 files changed, 2 insertions, 0 deletions

diff --git a/contrib/cvs/src/client.h b/contrib/cvs/src/client.h
index 7097ea816c90..119168ccde6a 100644
--- a/contrib/cvs/src/client.h
+++ b/contrib/cvs/src/client.h
@@ -139,6 +139,8 @@ struct response
      * Function to carry out the response.  ARGS is the text of the
      * command after name and, if present, a single space, have been
      * stripped off.  The function can scribble into ARGS if it wants.
+     * Note that although LEN is given, ARGS is also guaranteed to be
+     * '\0' terminated.
      */
     void (*func) PROTO((char *args, int len));