diff --git a/postgresql_backup/README.md b/postgresql_backup/README.md
index e070ec2..ddd3497 100644
--- a/postgresql_backup/README.md
+++ b/postgresql_backup/README.md
@@ -5,13 +5,13 @@
 Do not forget to create and/or edit `~/.pgpass` file providing all needed passwords for each host:
 
 The format is the following:
-```csv
+```properties
 hostname:port:database:username:password
 ```
 
 Example
 
-```csv
+```properties
 localhost:5432:*:postgres:pg_password_1
 localhost:5433:*:postgres:pg_password_2
 ```
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