Improve 'ns-read-file-name' docstring

* src/nsfns.m (Fns_read_file_name): Use '-' instead of '_' when naming
args.

diff --git a/src/nsfns.m b/src/nsfns.m
index 1d3dcd31243412a26b68c179645866879ad543d2..2699cf37a5bcd30f21992b686ef9fb8e11b4d3cd 100644 (file)
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1727,7 +1727,7 @@ Optional arg DIR, if non-nil, supplies a default directory.
 Optional arg MUSTMATCH, if non-nil, means the returned file or
 directory must exist.
 Optional arg INIT, if non-nil, provides a default file name to use.
-Optional arg DIR_ONLY_P, if non-nil, means choose only directories.  */)
+Optional arg DIR-ONLY-P, if non-nil, means choose only directories.  */)
   (Lisp_Object prompt, Lisp_Object dir, Lisp_Object mustmatch,
    Lisp_Object init, Lisp_Object dir_only_p)
 {