diff --git a/sample_conf/classes/spring/environment.properties b/sample_conf/classes/spring/environment.properties
index e745ea7..5854f4a 100644
--- a/sample_conf/classes/spring/environment.properties
+++ b/sample_conf/classes/spring/environment.properties
@@ -1,4 +1,4 @@
 dataSource.driverClassName=com.mysql.jdbc.Driver
-dataSource.url=jdbc:mysql://localhost:3306/sip02?autoReconnect=true                                                     
+dataSource.url=jdbc:mysql://localhost:3306/sip02?autoReconnect=true
 dataSource.username=sip
 dataSource.password=sip