--- a/config.def.h	Mon Aug 18 09:10:21 2008 +0100
+++ b/config.def.h	Mon Aug 18 09:11:15 2008 +0100
@@ -24,7 +24,7 @@
 };
 
 /* layout(s) */
-static float mfact      = 0.55;
+static float mfact      = 0.55; /* factor of master area size [0.05..0.95] */
 static Bool resizehints = True; /* False means respect size hints in tiled resizals */
 
 static Layout layouts[] = {