From ad24696c829fe593ee617d1c40b23ba20480cd0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@uber.com>
Date: Wed, 16 Dec 2020 09:09:43 +0200
Subject: [PATCH] distinction

---
 contours/README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/contours/README.md b/contours/README.md
index 78da407..d2a21b9 100644
--- a/contours/README.md
+++ b/contours/README.md
@@ -16,9 +16,9 @@ but not available outside major cities.
  501991.670  6150000.000  57.689
 ```
 
-**Non-gridded**, therefore significantly slower (`gdal_grid` must be used
-before making contours, which is slow). However, available throughout the
-country.
+2009 variant is less dense, non-gridded, therefore significantly slower
+(`gdal_grid` must be used as an extra step, which is slow). This variant is
+less robust, but available throughout the country.
 
 Usage
 -----