diff --git a/src/ansys/dpf/core/data_sources.py b/src/ansys/dpf/core/data_sources.py
index 994c35cd30..1c14065796 100644
--- a/src/ansys/dpf/core/data_sources.py
+++ b/src/ansys/dpf/core/data_sources.py
@@ -375,6 +375,7 @@ def add_domain_file_path(
             plugin when a result is requested by an operator.
         domain_id:
             Domain ID for the distributed files.
+
         Examples
         --------
         Add an accessory file to its domain