diff --git a/product/ERP5Type/patches/WorkflowTool.py b/product/ERP5Type/patches/WorkflowTool.py
index 9b07bcc1b3f2ea436a99a3f61381e06ef8ba45be..dcc21cd8b1fe53a79f764820346906cc4c13e2e8 100644
--- a/product/ERP5Type/patches/WorkflowTool.py
+++ b/product/ERP5Type/patches/WorkflowTool.py
@@ -337,7 +337,7 @@ def sumCatalogResultByWorklist(grouped_worklist_dict, catalog_result):
       if not isinstance(criterion_value, ExclusionList):
         criterion_id_dict[criterion_id] = None
   criterion_id_list = criterion_id_dict.keys()
-  # Group all worklists converned by a set of criterion values in
+  # Group all worklists concerned by a set of criterion values in
   # criterion_value_to_worklist_key_dict
   # key: criterion value tuple, in the same order as in criterion_id_list
   # value: list of ids of every concerned worklist