diff --git a/README.md b/README.md
index d7ccdf0..04e0293 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ The middleware accepts the following configuration options:
 * `credentials`: instead of configuring a `credentials_path` you can pass the content of the tls.cert directly
 * `macaroon`: instead of configuring a `macaroon_path` you can pass the hex content of the macaroon directly
     you can get the macaroon content like this:   
+    `xxd -p -c2000 admin.macaroon` or:
     ```ruby
     ::File.read(::File.expand_path("/path/to/admin.macaroon")).each_byte.map { |b| b.to_s(16).rjust(2,'0') }.join
     ```