diff --git a/api/swagger.yaml b/api/swagger.yaml
index d9f2bd837f..8941bad364 100644
--- a/api/swagger.yaml
+++ b/api/swagger.yaml
@@ -308,10 +308,12 @@ definitions:
       Name:
         type: "string"
         description: |
+          - Empty string means not to restart
           - `always` Always restart
           - `unless-stopped` Restart always except when the user has manually stopped the container
           - `on-failure` Restart only when the container exit code is non-zero
         enum:
+          - ""
           - "always"
           - "unless-stopped"
           - "on-failure"