Update the comments in TomcatInstrumentation class. (#6442)

apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/tomcat78x/define/TomcatInstrumentation.java

@@ -36,12 +36,12 @@ public class TomcatInstrumentation extends ClassInstanceMethodsEnhancePluginDefi
     private static final String ENHANCE_CLASS = "org.apache.catalina.core.StandardHostValve";
 
     /**
-     * The intercept class for "invoke" method in the class "org.apache.catalina.core.StandardWrapperValve"
+     * The intercept class for "invoke" method in the class "org.apache.catalina.core.StandardHostValve"
      */
     private static final String INVOKE_INTERCEPT_CLASS = "org.apache.skywalking.apm.plugin.tomcat78x.TomcatInvokeInterceptor";
 
     /**
-     * The intercept class for "exception" method in the class "org.apache.catalina.core.StandardWrapperValve"
+     * The intercept class for "exception" method in the class "org.apache.catalina.core.StandardHostValve"
      */
     private static final String EXCEPTION_INTERCEPT_CLASS = "org.apache.skywalking.apm.plugin.tomcat78x.TomcatExceptionInterceptor";