Index: trunk/styles_nodist/potlatch2/build.xml
===================================================================
--- trunk/styles_nodist/potlatch2/build.xml	(revision 4166)
+++ trunk/styles_nodist/potlatch2/build.xml	(revision 4771)
@@ -4,4 +4,6 @@
     <target name="assemble">
         <concat destfile="../../styles/standard/potlatch2.mapcss">
+            <header trimleading="yes">/* THIS FILE IS AUTO-GENERATED (SEE styles_nodist/potlatch2/README) */
+            </header>
             <filelist dir="." files="prelude.css"/>
             <filelist dir="patched" files="core_ways.css,core_pois.css,core_landuse.css,core_relations.css,potlatch.css"/>