diff --git a/files/settings-default.cfg b/files/settings-default.cfg
index 051f081e8..e3a5ceb7b 100644
--- a/files/settings-default.cfg
+++ b/files/settings-default.cfg
@@ -55,6 +55,8 @@ fog end factor = 1.0
 num lights = 8
 
 [Water]
+# Enable this to get fancy-looking water with reflections and refractions
+# All the settings below have no effect if this is false
 shader = false
 
 rtt size = 512