diff --git a/freebsd.gmi b/freebsd.gmi
index eef5df2..d71b995 100644
--- a/freebsd.gmi
+++ b/freebsd.gmi
@@ -103,7 +103,7 @@ The following miniamlistic script can be used to check for capsule availability
 ```
 #!/bin/sh
 
-errorOutput=$(echo -n  "gemini://$1/\r\n" | /path/to/gnutls-cli -p 1965 $1 2>&1 > /dev/null)
+errorOutput=$(echo -n  "gemini://$1/\r\n" | /path/to/gnutls-cli --port 1965 --tofu $1 2>&1 > /dev/null)
 errorCode=$?
 
 if [ $errorCode -gt 0 ]
@@ -116,6 +116,8 @@ else
 fi
 ```
 
+Here we use "trust on first use authentication" (--tofu), so don't forget to manually launch gnutls-cli first. And if security is not your primary concern, you can use the more permissive --no-ca-verification flag instead.
+
 # Greetings
 
 Many many thanks to @solene@bsd.network for writing that wonderful little piece of software thas is vger, and @hucste@framapiaf.org for pointing it to me.