diff --git a/install/mysql.sh b/install/mysql.sh
index 71b19d3b..9fee8211 100755
--- a/install/mysql.sh
+++ b/install/mysql.sh
@@ -34,6 +34,7 @@
 # * user
 # * password
 # * database
+# * MYSQL_CLIENT
 # 
 # XXX: the sed script should be generated here
 #