diff --git a/reference/ucp/3.0/cli/install.md b/reference/ucp/3.0/cli/install.md
index b362d91ec8..3b26b5e0c2 100644
--- a/reference/ucp/3.0/cli/install.md
+++ b/reference/ucp/3.0/cli/install.md
@@ -13,7 +13,7 @@ docker container run --rm -it \
     --name ucp \
     -v /var/run/docker.sock:/var/run/docker.sock \
     docker/ucp \
-    --unmanaged-cni <true
+    --unmanaged-cni <true|false>
     install [command options]
 ```