--- a/eric6/WebBrowser/QtHelp/QtHelpDocumentationDialog.py	Wed Jun 17 17:12:21 2020 +0200
+++ b/eric6/WebBrowser/QtHelp/QtHelpDocumentationDialog.py	Wed Jun 17 20:18:54 2020 +0200
@@ -483,7 +483,7 @@
         
         for attr in self.__removedAttributes:
             self.__db.execute(
-                "DELETE FROM FilterAttributeTable WHERE Name = '{0}'"
+                "DELETE FROM FilterAttributeTable WHERE Name = '{0}'"  # secok
                 .format(attr))
         self.__db.commit()
         self.__db.close()