@@ -11,7 +11,7 @@ It took me a while to figure out how to this, so I thought I'd share my method.
 
 Here's the config that can be used to do this on any NixOS host, after redefining the first two variables.
 
-```txt {linenos=table,hl_lines=["2-3"]}
+```txt,linenos,hl_lines=2-3
 services.postfix = let
   localUser = "example-user";
   forwardingAddress = "user@external.domain";
@@ -36,7 +36,7 @@ ## Background
 
 First, the basic setup for a null client can be found in the [postfix documentation][0]. The example config would be translated into NixOS like so:
 
-```txt {linenos=table}
+```txt
 services.postfix = {
   enable = true;
   destination = [];