diff --git a/source/_components/tts.google.markdown b/source/_components/tts.google.markdown
index dfdd6b279c0..cbed90dadad 100644
--- a/source/_components/tts.google.markdown
+++ b/source/_components/tts.google.markdown
@@ -24,7 +24,8 @@ tts:
 
 Configuration variables:
 
-- **language** (*Optional*): The language to use. Defaults to `en`. 
+- **language** (*Optional*): The language to use. Defaults to `en`.
+  - [Complete list of supported languages](https://cloud.google.com/speech/docs/languages).
 
 A full configuration sample: