Update src/ansys/dpf/core/data_sources.py

Co-authored-by: Paul Profizi <[email protected]>

Author: luisaFelixSalles

src/ansys/dpf/core/data_sources.py

@@ -436,7 +436,7 @@ def add_upstream(
     ) -> None:
         """Add upstream data sources to the main DataSources object.
 
-        This is used to add a set of path creating an upstream for
+        This is used to add a set of paths creating an upstream for
         recursive workflows.
 
         Parameters