fix comments

mdrozdov/clickhouse/view_distribute.sql

@@ -23,6 +23,7 @@
 	
 	--task 3
 	CREATE MATERIALIZED VIEW 
+		to 
 	    ENGINE = SummingMergeTree
 	    order by date
 	    mv_clicks_per_day AS
@@ -30,4 +31,4 @@
 	    toDate(event_time) as date, 
 	    count(*) as total_clicks
 	from raw_events
-	group date
+	group by date