#11565: Fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Lib/lib-tk/ttk.py b/Lib/lib-tk/ttk.py
index d076266..2fd513a 100644
--- a/Lib/lib-tk/ttk.py
+++ b/Lib/lib-tk/ttk.py
@@ -707,7 +707,7 @@
             textvariable, values, width
         """
         # The "values" option may need special formatting, so leave to
-        # _format_optdict the responsability to format it
+        # _format_optdict the responsibility to format it
         if "values" in kw:
             kw["values"] = _format_optdict({'v': kw["values"]})[1]