Update common.cfg

synthtool/gcp/templates/python_library/.kokoro/docs/common.cfg

@@ -34,7 +34,7 @@ env_vars: {
     # Push google cloud library docs to the Cloud RAD bucket `docs-staging-v2`
     value: "docs-staging-v2"
 {% else %}
-    # Push non-cloud library docs to `docs-staging-v2-staging` instead of the
+    # Push non-cloud library docs to `docs-staging-v2-dev` instead of the
     # Cloud RAD bucket `docs-staging-v2`
     value: "docs-staging-v2-dev"
 {% endif -%}