chore: fix some comments (#7215)

Signed-off-by: cangqiaoyuzhuo <850072022@qq.com>
Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>

evm/src/main/java/org/hyperledger/besu/evm/code/CodeInvalid.java

@@ -25,7 +25,7 @@ import com.google.common.base.Suppliers;
 import org.apache.tuweni.bytes.Bytes;
 
 /**
- * For code versions where code can be deemed "invalid" this represents a cachable instance of
+ * For code versions where code can be deemed "invalid" this represents a cacheable instance of
  * invalid code. Note that EXTCODE operations can still access invalid code.
  */
 public class CodeInvalid implements Code {

nat/src/main/java/org/hyperledger/besu/nat/upnp/UpnpNatManager.java

@@ -466,7 +466,7 @@ public class UpnpNatManager extends AbstractNatManager {
       futures.add(future);
     }
 
-    // return a future that completes succeessfully only when each of our port delete requests
+    // return a future that completes successfully only when each of our port delete requests
     // complete
     return CompletableFuture.allOf(futures.toArray(new CompletableFuture<?>[0]));
   }