Update doc

Author: aamster

allensdk/api/queries/brain_observatory_api.py

@@ -438,8 +438,8 @@ def save_ophys_experiment_eye_tracking_data(
         """
         Downloads eye tracking data for `ophys_experiment_id` using
             `S3CloudCache`
-        S3 used instead of warehouse due to no experience on current team
-        using warehouse
+        S3 used instead of warehouse since the current team has stopped
+        using warehouse in favor of S3. 
 
         Parameters
         ----------