diff --git a/INSTALL.md b/INSTALL.md
index f3832ce..9b92da2 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -16,9 +16,9 @@
 CREATE DATABASE carom DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
 CREATE USER 'carom'@'localhost' IDENTIFIED BY 'xxx';
 GRANT ALL PRIVILEGES ON carom.* TO 'carom'@'localhost';
-CREATE DATABASE carom_int DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
-CREATE USER 'carom_int'@'localhost' IDENTIFIED BY 'xxx';
-GRANT ALL PRIVILEGES ON carom_int.* TO 'carom_int'@'localhost';
+CREATE DATABASE carom-int DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
+CREATE USER 'carom-int'@'localhost' IDENTIFIED BY 'xxx';
+GRANT ALL PRIVILEGES ON carom-int.* TO 'carom-int'@'localhost';
 FLUSH PRIVILEGES;
 ```