Fix formatting

keys/4FA73DE89ADE75998AC24E97B8C1D523FE7AAA84.mdwn

@@ -5,6 +5,7 @@ The following is an OpenPGP key transition statement. You can check it by using
 
 You can get the new key [here](https://pgp.mit.edu/pks/lookup?search=0x4FA73DE89ADE75998AC24E97B8C1D523FE7AAA84&op=index). It might not be my current key, so please [check](/keys) which is currently in use.
 
+<pre>
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA512
 
@@ -69,3 +70,4 @@ mfkWer+lkvSVF/halbi/+WjhyLDaU/XMNy+8lta0+4jdX0Hj2s2+y5CMIjNnXF0X
 czUJ8SJMJOqyuMi3NnYmoM/Jq9yM30+0FJDFIUyu
 =bSQe
 -----END PGP SIGNATURE-----
+</pre>