diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 063d6eeb99..b9c12779f1 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -10,7 +10,7 @@ SYNOPSIS
 --------
 [verse]
 'git worktree add' [-f] [--detach] [--checkout] [--lock [--reason <string>]]
-		   [-b <new-branch>] <path> [<commit-ish>]
+		   [(-b | -B) <new-branch>] <path> [<commit-ish>]
 'git worktree list' [-v | --porcelain [-z]]
 'git worktree lock' [--reason <string>] <worktree>
 'git worktree move' <worktree> <new-path>
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 39e9e5c9ce..d1b4b53f2c 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -22,7 +22,7 @@
 
 #define BUILTIN_WORKTREE_ADD_USAGE \
 	N_("git worktree add [-f] [--detach] [--checkout] [--lock [--reason <string>]]\n" \
-	   "                 [-b <new-branch>] <path> [<commit-ish>]")
+	   "                 [(-b | -B) <new-branch>] <path> [<commit-ish>]")
 #define BUILTIN_WORKTREE_LIST_USAGE \
 	N_("git worktree list [-v | --porcelain [-z]]")
 #define BUILTIN_WORKTREE_LOCK_USAGE \