Fix typos (#6036)

Signed-off-by: shuoer86 <129674997+shuoer86@users.noreply.github.com>
Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/PeerReputation.java

@@ -56,7 +56,8 @@ public class PeerReputation implements Comparable<PeerReputation> {
   }
 
   public PeerReputation(final int initialScore, final int maxScore) {
-    checkArgument(initialScore <= maxScore, "Inital score must be less than or equal to max score");
+    checkArgument(
+        initialScore <= maxScore, "Initial score must be less than or equal to max score");
     this.maxScore = maxScore;
     this.score = initialScore;
   }

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/messages/StatusMessage.java

@@ -111,9 +111,9 @@ public final class StatusMessage extends AbstractMessageData {
   }
 
   /**
-   * Return The hash of the head of the associated node's local blockchian.
+   * Return The hash of the head of the associated node's local blockchain.
    *
-   * @return The hash of the head of the associated node's local blockchian.
+   * @return The hash of the head of the associated node's local blockchain.
    */
   public Hash bestHash() {
     return status().bestHash;