diff --git a/cmd-copy-mode.c b/cmd-copy-mode.c
index 681f8ba7..0600d116 100644
--- a/cmd-copy-mode.c
+++ b/cmd-copy-mode.c
@@ -28,7 +28,7 @@ int	cmd_copy_mode_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_copy_mode_entry = {
 	"copy-mode", NULL,
-	CMD_TARGET_WINDOW_USAGE,
+	"[-u] " CMD_TARGET_WINDOW_USAGE,
 	CMD_UFLAG,
 	cmd_target_init,
 	cmd_target_parse,
diff --git a/cmd-scroll-mode.c b/cmd-scroll-mode.c
index 0d1f2291..f376d703 100644
--- a/cmd-scroll-mode.c
+++ b/cmd-scroll-mode.c
@@ -29,7 +29,7 @@ int	cmd_scroll_mode_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_scroll_mode_entry = {
 	"scroll-mode", NULL,
-	CMD_TARGET_WINDOW_USAGE,
+	"[-u] " CMD_TARGET_WINDOW_USAGE,
 	CMD_UFLAG,
 	cmd_scroll_mode_init,
 	cmd_target_parse,