diff --git a/utils/prepare-environment/install-clang.sh b/utils/prepare-environment/install-clang.sh
index 758a8b80f34cf183e91708d2e0c4910a9249034f..8a6bd634c318ecefb3ca7edea4407c4413df6832 100755
--- a/utils/prepare-environment/install-clang.sh
+++ b/utils/prepare-environment/install-clang.sh
@@ -3,7 +3,7 @@
 set -e
 
 BRANCH=trunk
-#BRANCH=tags/RELEASE_400/final
+#BRANCH=tags/RELEASE_500/final
 
 THREADS=$(grep -c ^processor /proc/cpuinfo)