diff --git a/‎sdk/python/feast/cli/cli.py‎
Lines changed: 2 additions & 2 deletions b/‎sdk/python/feast/cli/cli.py‎
Lines changed: 2 additions & 2 deletions
diff --git a/‎sdk/python/feast/feature_store.py‎
Lines changed: 1 addition & 1 deletion b/‎sdk/python/feast/feature_store.py‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎sdk/python/feast/infra/provider.py‎
Lines changed: 1 addition & 1 deletion b/‎sdk/python/feast/infra/provider.py‎
Lines changed: 1 addition & 1 deletion
@@ -363,7 +363,7 @@ def registry_dump_command(ctx: click.Context):
 @click.option(
     "--disable-event-timestamp",
     is_flag=True,
-    help="Materialize all available data without specifying START_TS and END_TS (rows keep their source event timestamps)",
+    help="Materialize all available data, from 1970-01-01 up to the current UTC time, without specifying START_TS and END_TS (rows keep their source event timestamps)",
 )
 @click.option(
     "--version",
@@ -388,7 +388,7 @@ def materialize_command(
 
     START_TS and END_TS should be in ISO 8601 format, e.g. '2021-07-16T19:20:01'
 
-    If --disable-event-timestamp is used, timestamps are not required and all available data will be materialized. Rows keep their source event timestamps.
+    If --disable-event-timestamp is used, timestamps are not required and all available data (from 1970-01-01 up to the current UTC time) will be materialized. Rows keep their source event timestamps.
     """
     store = create_feature_store(ctx)
 
 
@@ -2855,7 +2855,7 @@ def materialize(
             end_date (datetime): End date for time range of data to materialize into the online store
             feature_views (List[str]): Optional list of feature view names. If selected, will only run
                 materialization for the specified feature views.
-            disable_event_timestamp (bool): If True, materializes all available data. Rows keep their source event timestamps.
+            disable_event_timestamp (bool): If True, materializes all available data (from 1970-01-01 up to the current UTC time). Rows keep their source event timestamps.
             full_feature_names (bool): If True, feature names will be prefixed with the corresponding
                 feature view name.
             version (str): Optional version to materialize (e.g., 'v2'). Requires feature_views
 
@@ -244,7 +244,7 @@ def materialize_single_feature_view(
             registry: The registry for the current feature store.
             project: Feast project to which the objects belong.
             tqdm_builder: A function to monitor the progress of materialization.
-            disable_event_timestamp: If True, materializes all available data. Rows keep their source event timestamps.
+            disable_event_timestamp: If True, materializes all available data (from 1970-01-01 up to the current UTC time). Rows keep their source event timestamps.
         """
         pass