diff --git a/src/main/java/net/onrc/onos/datastore/WrongVersionException.java b/src/main/java/net/onrc/onos/datastore/WrongVersionException.java
index 9b59ff1..441409f 100644
--- a/src/main/java/net/onrc/onos/datastore/WrongVersionException.java
+++ b/src/main/java/net/onrc/onos/datastore/WrongVersionException.java
@@ -9,23 +9,23 @@
     private static final long serialVersionUID = -1644202495890190823L;
 
     public WrongVersionException(final String message) {
-	super(message);
+        super(message);
     }
 
     public WrongVersionException(final IKVTableID tableID, final byte[] key,
-	    final long expectedVersion, final Throwable cause) {
-	// It will be best if {@code cause} has actual version encountered, but
-	// doesn't currently.
-	super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
-	        + tableID + " was expected to be version:" + expectedVersion,
-	        cause);
+            final long expectedVersion, final Throwable cause) {
+        // It will be best if {@code cause} has actual version encountered, but
+        // doesn't currently.
+        super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
+                + tableID + " was expected to be version:" + expectedVersion,
+                cause);
     }
 
     public WrongVersionException(final IKVTableID tableID, final byte[] key,
-	    final long expectedVersion, final long encounteredVersion) {
-	super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
-	        + tableID + " was expected to be version:" + expectedVersion
-	        + " but found:" + encounteredVersion);
+            final long expectedVersion, final long encounteredVersion) {
+        super(ByteArrayUtil.toHexStringBuffer(key, ":") + " on table:"
+                + tableID + " was expected to be version:" + expectedVersion
+                + " but found:" + encounteredVersion);
     }
 
 }