diff --git a/README.md b/README.md
index 0f9e6841..4f15beaa 100644
--- a/README.md
+++ b/README.md
@@ -219,8 +219,12 @@ Add the following txt record:
 Domain:_acme-challenge.www.aa.com
 Txt value:9ihDbjxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 
+```
+
 Please add those txt records to the domains. Waiting for the dns to take effect.
 
+```
+If you did not wait until DNS knows your values the renew will fail, be patient!
 ```
 
 Then just rerun with `renew` argument: