Remove sh language hint from Caddyfile examples

README.md

@@ -118,7 +118,7 @@ This allows you to hack on Caddy core (and optionally plug in extra modules at t
 
 If `--embed` is used without an alias prefix, the contents of the source directory are written directly into the root directory of the embedded filesystem within the Caddy executable. The contents of multiple unaliased source directories will be merged together:
 
-```sh
+```
 $ xcaddy build --embed ./my-files --embed ./my-other-files
 $ cat Caddyfile
 {
@@ -139,7 +139,7 @@ localhost {
 
 You may also prefix the source directory with a custom alias and colon separator to write the source directory's contents to a separate subdirectory within the `embedded` filesystem:
 
-```sh
+```
 $ xcaddy build --embed foo:./sites/foo --embed bar:./sites/bar
 $ cat Caddyfile
 {