diff --git a/README.md b/README.md
index c34f43d..d04be1a 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Now, make sure to also add these TXT records. Replace all IP addresses and domai
 
 This one has no name. Input `@` if it forces you to put one in):
 ```
-v=spf1 mx a:mail.yourdomain.com ip4:51.79.70.119 ip6:2607:5300:205:200::35c2 -all
+v=spf1 ip4:51.79.70.119 ip6:2607:5300:205:200::35c2 -all
 ```
 
 Also add this record. Give it the `_dmarc` name.