move to code tag

bip-0137.mediawiki

@@ -64,7 +64,7 @@ To verify a signature, the recId is obtained by subtracting this constant from t
 
 Note: this code is a modification of the BitcoinJ code which is written in java.
 
-<nowiki>
+<code>
     public static ECKey signedMessageToKey(String message, String signatureBase64) throws SignatureException {
         byte[] signatureEncoded;
         try {
@@ -113,7 +113,7 @@ Note: this code is a modification of the BitcoinJ code which is written in java.
             throw new SignatureException("Could not recover public key from signature");
         return key;
     }
-</nowiki>
+</code>
 
 ==Backwards Compatibility==