diff --git a/src/sync-seq-no.cc b/src/sync-seq-no.cc
index fbbc53f..0d2c8e8 100644
--- a/src/sync-seq-no.cc
+++ b/src/sync-seq-no.cc
@@ -17,7 +17,7 @@
  *
  * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
  *         Chaoyi Bian <bcy@pku.edu.cn>
- *	   Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ *         Alexander Afanasyev <alexander.afanasyev@ucla.edu>
  */
 
 #include "sync-seq-no.h"