diff --git a/clearml/backend_interface/task/task.py b/clearml/backend_interface/task/task.py
index 31aeb6ee..f1c459c6 100644
--- a/clearml/backend_interface/task/task.py
+++ b/clearml/backend_interface/task/task.py
@@ -1953,7 +1953,7 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
         :param int max_samples: Maximum samples per series to return. Default is 0 returning all scalars.
             With sample limit, average scalar values inside sampling window.
         :param str x_axis: scalar x_axis, possible values:
-            'iter': iteration (default), 'timestamp': seconds from start, 'iso_time': absolute time
+            'iter': iteration (default), 'timestamp': timestamp as milliseconds since epoch, 'iso_time': absolute time
         :return: dict: Nested scalar graphs: dict[title(str), dict[series(str), dict[axis(str), list(float)]]]
         """
         if x_axis not in ('iter', 'timestamp', 'iso_time'):