fix(peg): fix error message in svp spend tx waiting for signatures ex…

…ception

rskj-core/src/main/java/co/rsk/peg/BridgeStorageProvider.java

@@ -642,7 +642,7 @@ private void saveSvpSpendTxWaitingForSignatures() {
              svpSpendTxWaitingForSignatures.getValue() == null);
         if (hasNullKeyOrValue) {
             throw new IllegalArgumentException(
-                String.format("Invalid svpSpendTxWaitingForSigantures: %s", svpSpendTxWaitingForSignatures));
+                String.format("Invalid svpSpendTxWaitingForSignatures: %s", svpSpendTxWaitingForSignatures));
         }
 
         safeSaveToRepository(