From 1f8581c76c314e55798b11516399809f9d6c1826 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Thu, 26 Mar 2015 11:28:06 -0700
Subject: [PATCH] More doc text

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index e606065..f98991d 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,9 @@ coordinated with the base zoom level and dot-dropping rate. You can use this she
 calculate the appropriate marker-width at high zoom levels to match the fraction of dots
 that were dropped at low zoom levels.
 
+If you used <code>-z</code> to change the base zoom level or <code>-r</code> to change the
+dot-dropping rate, replace them in the <code>basezoom</code> and <code>rate</code> below.
+
     awk 'BEGIN {
         dotsize = 2;    # up to you to decide
         basezoom = 14;  # tippecanoe -z 14