diff --git a/dbt/adapters/bigquery/connections.py b/dbt/adapters/bigquery/connections.py
index 44662fdc6..de84e4bf8 100644
--- a/dbt/adapters/bigquery/connections.py
+++ b/dbt/adapters/bigquery/connections.py
@@ -64,6 +64,7 @@
 
 
 # Override broken json deserializer for dbt show --inline
+# can remove once this is fixed: https://github.com/googleapis/python-bigquery/issues/1500
 def _json_from_json(value, _):
     """NOOP string -> string coercion"""
     return json.loads(value)