diff --git a/install-minetest-linux64.sh b/install-minetest-linux64.sh
index ea56a47..fcc4946 100755
--- a/install-minetest-linux64.sh
+++ b/install-minetest-linux64.sh
@@ -188,6 +188,7 @@ fi
 for var in "$@"
 do
     if [ "@$var" = "@--update" ]; then
+        # This doesn't do much yet.
         ENABLE_DL=true
     fi
 done