diff --git a/README b/README
index e6b1755..378b3d8 100644
--- a/README
+++ b/README
@@ -42,7 +42,7 @@ Insted of via arguments, you may configure GC via variables: of OTOOL_garbageCol
   defaultgc
 Where obviousy those needs OTOOL_JDK_VERSION set to 8,11...21 to properly determine default GC, or list of all GCs. The argument have priority over variable.
 The top level run.sh can generate junit-like xml at the end, and is compressing all the logs to single archive (they can be huge)
-Note, that if more then one gc is part of the  argument/OTOOL_garbageCollector final enumeration, the DURATION is split among them
+Note, that if more then one gc is part of the  argument/OTOOL_garbageCollector final enumeration, the DURATION applied to each of them. if you use ALL, the DURATION is split among final set (as you never know how much you will actually run)
 The top level run.sh is the only runner whcih can run from custom directory.
 
 Arguments