diff --git a/docs/vmbackupmanager.md b/docs/vmbackupmanager.md
index faa6016271..0e129a0d66 100644
--- a/docs/vmbackupmanager.md
+++ b/docs/vmbackupmanager.md
@@ -71,7 +71,7 @@ credentials.json
   "project_id": "<project>",
   "private_key_id": "",
   "private_key": "-----BEGIN PRIVATE KEY-----\-----END PRIVATE KEY-----\n",
-  "client_email": “test@<project>.iam.gserviceaccount.com",
+  "client_email": "test@<project>.iam.gserviceaccount.com",
   "client_id": "",
   "auth_uri": "https://accounts.google.com/o/oauth2/auth",
   "token_uri": "https://oauth2.googleapis.com/token",