diff --git a/sql/log.cc b/sql/log.cc
index d2cbb49e280f3..8c75ae847b362 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -408,7 +408,7 @@ class binlog_cache_data
   Rows_log_event *m_pending;
 
   /*
-    Bit flags for what has been writting to cache. Used to
+    Bit flags for what has been writing to cache. Used to
     discard logs without any data changes.
     see enum_logged_status;
   */
diff --git a/sql/log_event.h b/sql/log_event.h
index b12ee07b0e2d8..5cd303e288c2d 100644
--- a/sql/log_event.h
+++ b/sql/log_event.h
@@ -726,7 +726,7 @@ enum Log_event_type
 
 
 /*
-  Bit flags for what has been writting to cache. Used to
+  Bit flags for what has been writing to cache. Used to
   discard logs with table map events but not row events and
   nothing else important. This is stored by cache.
 */