diff --git a/builtin/worktree.c b/builtin/worktree.c
index 71bb770f7a4..33d2d3705af 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -10,7 +10,7 @@
 #include "refs.h"
 
 static const char * const worktree_usage[] = {
-	N_("git worktree add [<options>] <path> <branch>"),
+	N_("git worktree add [<options>] <path> [<branch>]"),
 	N_("git worktree prune [<options>]"),
 	NULL
 };