diff --git a/mysql-test/include/mix2.inc b/mysql-test/include/mix2.inc
index d6becb2e37e..4d688ddb347 100644
--- a/mysql-test/include/mix2.inc
+++ b/mysql-test/include/mix2.inc
@@ -1153,7 +1153,7 @@ checksum table t1, t2, t3, t4, t5, t6, t7 extended;
 drop table t1,t2,t3, t4, t5, t6;
 
 #
-# Test problem with refering to different fields in same table in UNION
+# Test problem with referring to different fields in same table in UNION
 # (Bug#2552: UNION returns NULL instead of expected value (innoDB only tables))
 #
 eval create table t1 (id int,  name char(10) not null,  name2 char(10) not null) engine=$engine_type;
diff --git a/mysql-test/suite/innodb/t/innodb.test b/mysql-test/suite/innodb/t/innodb.test
index b91fbe13718..90d78f12a56 100644
--- a/mysql-test/suite/innodb/t/innodb.test
+++ b/mysql-test/suite/innodb/t/innodb.test
@@ -1125,7 +1125,7 @@ checksum table t1, t2, t3, t4 extended;
 drop table t1,t2,t3;
 
 #
-# Test problem with refering to different fields in same table in UNION
+# Test problem with referring to different fields in same table in UNION
 # (Bug #2552)
 #
 create table t1 (id int,  name char(10) not null,  name2 char(10) not null) engine=innodb;
diff --git a/mysql-test/t/insert.test b/mysql-test/t/insert.test
index ff8396fd7fd..8dda7f60ec2 100644
--- a/mysql-test/t/insert.test
+++ b/mysql-test/t/insert.test
@@ -1,5 +1,5 @@
 #
-# Test of refering to old values
+# Test of referring to old values
 #
 
 --disable_warnings