diff --git a/broker/src/main/java/io/moquette/spi/IMatchingCondition.java b/broker/src/main/java/io/moquette/spi/IMatchingCondition.java
index 0a2cf55b..24a73eb9 100644
--- a/broker/src/main/java/io/moquette/spi/IMatchingCondition.java
+++ b/broker/src/main/java/io/moquette/spi/IMatchingCondition.java
@@ -13,11 +13,12 @@
  *
  * You may elect to redistribute this code under either of these licenses.
  */
+
 package io.moquette.spi;
 
 /**
  */
 public interface IMatchingCondition {
+
     boolean match(String key);
 }
-