diff --git a/mdrozdov/clickhouse/stage1.sql b/mdrozdov/clickhouse/stage1.sql
index 232cbac..bc57c30 100644
--- a/mdrozdov/clickhouse/stage1.sql
+++ b/mdrozdov/clickhouse/stage1.sql
@@ -3,7 +3,7 @@ DROP TABLE IF EXISTS mdrozdov.core_fact_lesson_views
 ON CLUSTER clickhouse_cluster;
 
 -- таблицы измерений
--- user dimention
+-- user dimension
 CREATE TABLE mdrozdov.core_dim_user
 ON CLUSTER clickhouse_cluster
 (
@@ -19,7 +19,7 @@ ENGINE = ReplicatedMergeTree(
 )
 ORDER BY user_id;
 
--- course dimention
+-- course dimension
 CREATE TABLE mdrozdov.core_dim_course
 ON CLUSTER clickhouse_cluster
 (
@@ -33,22 +33,22 @@ ENGINE = ReplicatedMergeTree(
 )
 ORDER BY course_id;
 
--- lesson dimention
+-- lesson dimension
 CREATE TABLE mdrozdov.core_dim_lesson
 ON CLUSTER clickhouse_cluster
 (
     lesson_id Int32,
     title String,
     duration_min Int32,
-    course_id String,
+    course_id Int32,
 )
 ENGINE = ReplicatedMergeTree(
-    '/clickhouse/tables/{shard}/mdrozdov/core_dim_lesson',
+    '/clickhouse/tables/{shard}/mdrozdov/core_dim_lesson1', --добавил 1 потому что zookeeper ругается на удаление на кластере, что данные есть уже
     '{replica}'
 )
 ORDER BY course_id;
 
--- date dimention
+-- date dimension
 CREATE TABLE mdrozdov.core_dim_date
 ON CLUSTER clickhouse_cluster
 (
@@ -82,7 +82,7 @@ ORDER BY course_id;
 
 -- core_fact_lesson_views
 CREATE TABLE mdrozdov.core_fact_lesson_views
-ON CLUSTER clickhouse_cluser
+ON CLUSTER clickhouse_cluster
 (
     user_id Int32, 
     lesson_id Int32,