diff --git a/README.md b/README.md
index c858c202..d80594d0 100644
--- a/README.md
+++ b/README.md
@@ -220,8 +220,8 @@ play {
 }
 ```
 
-> Note: Currently [Service Account impersonation](https://cloud.google.com/docs/authentication/use-service-account-impersonation)
-is only supported when using [Application Default Credentials](https://cloud.google.com/docs/authentication/provide-credentials-adc)
+> Note: Currently, [Service Account impersonation](https://cloud.google.com/docs/authentication/use-service-account-impersonation)
+is only supported when using [Application Default Credentials](https://cloud.google.com/docs/authentication/provide-credentials-adc).
 
 ## Task organization