diff --git a/docs/en/interfaces/grpc.md b/docs/en/interfaces/grpc.md
index 5ac2f5d5a60..807663be646 100644
--- a/docs/en/interfaces/grpc.md
+++ b/docs/en/interfaces/grpc.md
@@ -84,8 +84,8 @@ In the following example a table is created and loaded with data from a CSV file
 
 ``` bash
 ./clickhouse-grpc-client.py -q "CREATE TABLE grpc_example_table (id UInt32, text String) ENGINE = MergeTree() ORDER BY id;"
-echo "0,Input data for" > a.txt ; echo "1,gRPC protocol example" >> a.txt
-cat a.txt | ./clickhouse-grpc-client.py -q "INSERT INTO grpc_example_table FORMAT CSV"
+echo -e "0,Input data for\n1,gRPC protocol example" > a.csv
+cat a.csv | ./clickhouse-grpc-client.py -q "INSERT INTO grpc_example_table FORMAT CSV"
 
 ./clickhouse-grpc-client.py --format PrettyCompact -q "SELECT * FROM grpc_example_table;"
 ```