diff --git a/src/CoolKernel/CoolKernel/VersionInfo.h b/src/CoolKernel/CoolKernel/VersionInfo.h
index 2cab74962c12d5743a0bd96da40a736ee2638567..21f9e918e1a5626b852848072b4fcaf565f8f691 100644
--- a/src/CoolKernel/CoolKernel/VersionInfo.h
+++ b/src/CoolKernel/CoolKernel/VersionInfo.h
@@ -2,8 +2,8 @@
 #define COOLKERNEL_VERSIONINFO_H 1
 
 // Explicitly disable COOL4xx extensions (do not allow -D to enable them)
-#undef COOL400TX // API changes to expose transactions (CORALCOOL-2707)
-#undef COOL400CPP11ENUM // API changes for c++11 enum class (CORALCOOL-2233)
+#undef COOL400TX // API exposing transactions (CORALCOOL-2707, CORALCOOL-2536)
+#undef COOL400CPP11ENUM // API with c++11 enum class (CORALCOOL-2233)
 
 // This switch is no longer needed in trunk (CORALCOOL-1111, CORALCOOL-2943)
 //#define COOL300 1 // COOL 3.0 or higher (COOL 2.x is no longer supported!)