diff --git a/scripts/index_on_valid_time.py b/scripts/index_on_valid_time.py
index 2f752e1..151277e 100644
--- a/scripts/index_on_valid_time.py
+++ b/scripts/index_on_valid_time.py
@@ -66,8 +66,7 @@
 
 Notes:
 - It expects datasets with "time" and "prediction_timedelta"
-  dimensions, matching the output of DeepMind's data pipeline:
-  google3/learning/deepmind/research/weather/data_pipelines/hres/grib_to_zarr.py
+  dimensions.
 - Initializing times are expected to be spaced at some multiple of the interval
   between forecast lead times.
 - For more on forecast alignment, see the climpred documentation. This pipeline