Note about needed doorbird user's permission (home-assistant#7456)

bayi · fabaff · commit d6486a192b03 · 2018-11-10T22:29:41.000+01:00
diff --git a/source/_components/doorbird.markdown b/source/_components/doorbird.markdown
@@ -53,7 +53,7 @@ devices:
       required: true
       type: string
     username:
-      description: The username of a non-administrator user account on the device.
+      description: The username of a non-administrator user account on the device. This user needs the "API-Operator" permission enabled on doorbird.
       required: true
       type: string
     password:
