diff --git a/parsedmarc/resources/maps/base_reverse_dns_map.csv b/parsedmarc/resources/maps/base_reverse_dns_map.csv
index 7e71a10..fa8ea4d 100644
--- a/parsedmarc/resources/maps/base_reverse_dns_map.csv
+++ b/parsedmarc/resources/maps/base_reverse_dns_map.csv
@@ -1,4 +1,4 @@
-base_reverse_dns,name,type
+base_reverse_dns,name,type
 101-clientes-izzi.mx,Izzi Telecom,ISP
 118-clientes-izzi.mx,Izzi Telecom,ISP
 163data.com.cn,China Telecom,ISP