diff --git a/db/db_impl/db_impl.h b/db/db_impl/db_impl.h
index 68107a0e8761d03588ff58b481698ddd8bbce016..e558edc656665745022c790981fc7ad5dcdf37ff 100644
--- a/db/db_impl/db_impl.h
+++ b/db/db_impl/db_impl.h
@@ -2015,7 +2015,7 @@ class DBImpl : public DB {
   // accessed from the same write_thread_ without any locks. With
   // two_write_queues writes, where it can be updated in different threads,
   // read and writes are protected by log_write_mutex_ instead. This is to avoid
-  // expesnive mutex_ lock during WAL write, which update log_empty_.
+  // expensive mutex_ lock during WAL write, which update log_empty_.
   bool log_empty_;
 
   ColumnFamilyHandleImpl* persist_stats_cf_handle_;