diff --git a/doc/econfig b/doc/econfig
index b130c4c7..7f808f6a 100644
--- a/doc/econfig
+++ b/doc/econfig
@@ -82,6 +82,11 @@ to dump the default table to a file.  The resulting table is in
 machine-readable form, and may not be portable between different
 server versions.
 
+A word of caution: Just because you can customize something doesn't
+mean you should!  The server makes an effort to catch mistakes that
+could crash the game.  It has no chance to catch mistakes that
+unbalance it.
+
 
 Coder information
 -----------------