diff --git a/scripts/00-update b/scripts/00-update
index c7961586f2827f7978d1174b5480979db0756af4..35c35d90cb96aec8cf3adc4bc02f02dac0d2c00a 100755
--- a/scripts/00-update
+++ b/scripts/00-update
@@ -64,6 +64,8 @@ echo "deb http://$LEHOST $LEMIRROR main" \
 echo "deb http://archive.canonical.com/ lucid partner" \
         >> "$CHROOTDIR"/etc/apt/sources.list.d/java-repos.list
 
+# le, le5 and mc share the same public key. The servers windu and le also
+# have the same public.key
 chroot "$CHROOTDIR" wget http://windu.c3sl.ufpr.br/le/public.key -O /dev/stdout \
     > "$TMP"/windu.key