1 files changed, 1 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index c4ccb6b1a3..2bd5e0d817 100644
--- a/diff.c
+++ b/diff.c
@@ -5630,7 +5630,7 @@ static void prep_parse_options(struct diff_options *options)
 			       N_("select files by diff type"),
 			       PARSE_OPT_NONEG, diff_opt_diff_filter),
 		{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
-		  N_("Output to a specific file"),
+		  N_("output to a specific file"),
 		  PARSE_OPT_NONEG, NULL, 0, diff_opt_output },
 
 		OPT_END()