diff --git a/_config b/_config
index 8933269..4e60497 100644
--- a/_config
+++ b/_config
@@ -214,6 +214,7 @@ Macros:
 :Macros
 %endif
 
+# shim signed by MicroSoft is temporarily aggregated from SLE15-SP1
 %ifarch x86_64
 BuildFlags: excludebuild:shim
 BuildFlags: excludebuild:shim-leap