diff --git a/doc/css/discussion.mdwn b/doc/css/discussion.mdwn
index c97682e71..dc9663e56 100644
--- a/doc/css/discussion.mdwn
+++ b/doc/css/discussion.mdwn
@@ -8,3 +8,11 @@ I am using ikiwiki_3.1415926.tar.gz installed into /usr/local.
 
 ---
 Sorry. Never mind. RTFM. --refresh duh.
+
+> Hmm, well. Using --refresh is a good thing because it allow ikiwiki to
+> update a site quicker. But, it must only be hiding the real problem.
+> Sounds like you are trying to edit local.css directly inside
+> the destdir. But ikiwiki has a local.css located in its basewiki,
+> so when you rebuild your local mods are lost. Fix is to put you
+> locally modified local.css inside the srcdir, along with the other pages
+> of your wiki. --[[Joey]]