1 files changed, 1 insertions, 0 deletions
diff --git a/usage.c b/usage.c
index 57e26bc26..876d253ab 100644
--- a/usage.c
+++ b/usage.c
@@ -432,6 +432,7 @@ const char gzip_usage[] =
 	"When FILE is '-', reads standard input.  Implies -c.\n\n"
 	"Options:\n"
 	"\t-c\tWrite output to standard output instead of FILE.gz\n"
+	"\t-d\tdecompress\n"
 #endif
 	;
 #endif