diff --git a/.anvil/marketing.yml b/.anvil/metadata.yml
similarity index 86%
rename from .anvil/marketing.yml
rename to .anvil/metadata.yml
index d5474c7..c13fe4e 100644
--- a/.anvil/marketing.yml
+++ b/.anvil/metadata.yml
@@ -6,5 +6,7 @@ packageManagerInstall:
 languages:
   - key: javascript
     label: JavaScript
+    extension: js
   - key: typescript
     label: TypeScript
+    extension: ts