diff --git a/core/api/src/main/java/org/onlab/onos/store/service/Lock.java b/core/api/src/main/java/org/onlab/onos/store/service/Lock.java
index 510df82..dfd4742 100644
--- a/core/api/src/main/java/org/onlab/onos/store/service/Lock.java
+++ b/core/api/src/main/java/org/onlab/onos/store/service/Lock.java
@@ -9,11 +9,11 @@
  */
 public interface Lock {
 
-	/**
-	 * Returns the path this lock will be used to guard from concurrent access.
-	 * @return path.
-	 */
-	String path();
+    /**
+     * Returns the path this lock will be used to guard from concurrent access.
+     * @return path.
+     */
+    String path();
 
     /**
      * Acquires the lock.
@@ -79,4 +79,4 @@
      * extend expiration fails or if the path is currently not locked by this instance.
      */
     boolean extendExpiration(int leaseDurationMillis);
-}
\ No newline at end of file
+}