diff --git a/README.md b/README.md
index 1dc62438..1a7ab9ac 100644
--- a/README.md
+++ b/README.md
@@ -117,11 +117,11 @@ certificate chain.
 
 ![screenshot: download certs](README.d/01-download-certs.avif)
 
-Note that the commands above do *not* verify server certificate, so if you
-want to be safe download with your workstations's browser and transfer the
-file to your MikroTik device.
+Note that the command above does *not* verify server certificate, so if you
+want to be safe download with your workstations's browser from CA's website
+and transfer the file to your MikroTik device.
 
-* Let's Encrypt [Root YE ↗️](https://letsencrypt.org/certs/gen-y/root-ye.pem)
+* Let's Encrypt / ISRG [Root YE ↗️](https://letsencrypt.org/certs/gen-y/root-ye.pem)
 
 Then we import the certificate.