remove two letters.

OTSPartA_STDEditor/Form_ConstantsEditor2.cs

@@ -109,7 +109,7 @@ namespace OTSPartA_STDEditor
                         m_STDRuleslist.AddNewRow(STDId, "NewClassify", Color.Gray);
                     }
                 }
-            }21
+            }
         }
 
         void LoadConstants(string STDDBAddress)