diff --git a/swh/loader/core/loader.py b/swh/loader/core/loader.py
--- a/swh/loader/core/loader.py
+++ b/swh/loader/core/loader.py
@@ -856,7 +856,7 @@
         pass
 
     def load(self, *args, **kwargs):
-        """Loading logic for the loader to follow:
+        r"""Loading logic for the loader to follow:
 
         - 1. def prepare_origin_visit(\*args, \**kwargs): Prepare the
             origin and visit we will associate loading data to