diff --git a/README.md b/README.md
index dce14e2..1810aae 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,13 @@
+# pdns-genrev
+
 Tool to generate PTR records in reverse zones based off A/AAAA records in forward zones.
 
+## Configuration
+
 Requires the following environment variables to be set:
 
 `GENREV_KEY` - the API key defined in the PowerDNS configuration
+
 `GENREV_URL` - URL to the PowerDNS webserver, without a path (for example `http://[::1]:8081`)
+
 `GENREV_ZONES` - comma separated list of forward zones to scan