diff --git a/valkey.conf b/valkey.conf
index 95fb8d0f19..4f658cd9a6 100644
--- a/valkey.conf
+++ b/valkey.conf
@@ -15,6 +15,7 @@
 # 1g => 1000000000 bytes
 # 1gb => 1024*1024*1024 bytes
 #
+# only for test
 # units are case insensitive so 1GB 1Gb 1gB are all the same.
 
 ################################## INCLUDES ###################################