diff --git a/etgtools/tweaker_tools.py b/etgtools/tweaker_tools.py
index cf8d1dc5..d5ee635d 100644
--- a/etgtools/tweaker_tools.py
+++ b/etgtools/tweaker_tools.py
@@ -217,7 +217,7 @@ def fixWindowClass(klass, hideVirtuals=True, ignoreProtected=True):
         # There is no need to make all the C++ virtuals overridable in Python, and
         # hiding the fact that they are virtual from the back end generator will
         # greatly reduce the amount of code that needs to be generated. Remove all
-        # the virtual flags, and then and then add it back to a select few.
+        # the virtual flags, and then add it back to a select few.
         removeVirtuals(klass)
         addWindowVirtuals(klass)