[ROCKETMQ-28] Fix description of SslMode unmatched problem

remoting/src/main/java/org/apache/rocketmq/remoting/common/SslMode.java

@@ -20,7 +20,7 @@ package org.apache.rocketmq.remoting.common;
 /**
  * For server, three SSL modes are supported: disabled, permissive and enforcing.
  * <ol>
- *     <li><strong>disable:</strong> SSL is not supported; any incoming SSL handshake will be rejected, causing connection closed.</li>
+ *     <li><strong>disabled:</strong> SSL is not supported; any incoming SSL handshake will be rejected, causing connection closed.</li>
  *     <li><strong>permissive:</strong> SSL is optional, aka, server in this mode can serve client connections with or without SSL;</li>
  *     <li><strong>enforcing:</strong> SSL is required, aka, non SSL connection will be rejected.</li>
  * </ol>

remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettySystemConfig.java

@@ -51,7 +51,7 @@ public class NettySystemConfig {
     /**
      * For server, three SSL modes are supported: disabled, permissive and enforcing.
      * <ol>
-     *     <li><strong>disable:</strong> SSL is not supported; any incoming SSL handshake will be rejected, causing connection closed.</li>
+     *     <li><strong>disabled:</strong> SSL is not supported; any incoming SSL handshake will be rejected, causing connection closed.</li>
      *     <li><strong>permissive:</strong> SSL is optional, aka, server in this mode can serve client connections with or without SSL;</li>
      *     <li><strong>enforcing:</strong> SSL is required, aka, non SSL connection will be rejected.</li>
      * </ol>