fixed typo
diff --git a/core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java b/core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java
index 2da2920..1ded779 100644
--- a/core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java
+++ b/core/src/main/java/org/apache/mina/filter/logging/LoggingFilter.java
@@ -176,7 +176,7 @@
      */
     @Override
     public void messageSent(final IoSession session, final Object message) {
-        log(messageSentLevel, "IDLE");
+        log(messageSentLevel, "SENT");
     }
 
     /**