diff --git a/ohsomeTools/proc/provider.py b/ohsomeTools/proc/provider.py
index b567cda..4a5d27d 100644
--- a/ohsomeTools/proc/provider.py
+++ b/ohsomeTools/proc/provider.py
@@ -63,7 +63,7 @@ def loadAlgorithms(self):
         self.addAlgorithm(UsersCount())
         self.addAlgorithm(ElementsPerimeter())
 
-        # data extraction
+        # data-extraction
         self.addAlgorithm(Contributions())
         self.addAlgorithm(Elements())
         self.addAlgorithm(ElementsFullHistory())