tweak clone usage output
diff --git a/got/got.c b/got/got.c
index 36670ed..ed5822f 100644
--- a/got/got.c
+++ b/got/got.c
@@ -808,7 +808,7 @@ done:
__dead static void
usage_clone(void)
{
- fprintf(stderr, "usage: %s clone repo-url [target-directory]\n",
+ fprintf(stderr, "usage: %s clone repository-url [target-directory]\n",
getprogname());
exit(1);
}