diff --git a/public/robots.txt b/public/robots.txt
index 058db57c6..4e2b6cae7 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -1,3 +1,8 @@
+# OpenStreetMap's data is available for free in bulk from https://planet.openstreetmap.org
+# We encourage you to use these instead of scraping our site.
+# Scraping puts a high load on our donated resources and will lead to your IP being blocked.
+# Please respect our resources, and help us keep the service free and accessible for everyone.
+
 User-agent: *
 Disallow: /user/*/traces/
 Allow: /user/