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

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

Author: luisaFelixSalles

src/ansys/dpf/core/data_sources.py

@@ -606,7 +606,7 @@ def result_files(self):
         >>> my_data_sources_upstream.result_files
         ['/tmp/file.mode']
 
-        If you have a ``DataSources`` object with more than one domain, a empty list is returned.
+        If you have a ``DataSources`` object with more than one domain, an empty list is returned.
 
         >>> from ansys.dpf import core as dpf
         >>>