fix: lego exists before certbot

Author: ldez

tutorials/acme-protocol-acme-clients.mdx

@@ -107,8 +107,7 @@ Choose a renewal period that is two-thirds of the entire certificate's lifetime,
 
 ### Certbot
 
-[`certbot`](https://certbot.eff.org/) is the granddaddy of all ACME clients.
-Built
+[`certbot`](https://certbot.eff.org/) is built
 and supported by [the EFF](https://www.eff.org/), it's the standard-bearer for
 production-grade command-line ACME.