00-update: Add comment

Signed-off-by: Diego Giovane Pasqualin <dpasqualin@c3sl.ufpr.br>

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