Fixed SUMMARY.md section file name (#797)

Author: jrinder42

docs/SUMMARY.md

@@ -58,7 +58,5 @@
   * [Devtron Generic Helm Chart To Run Cron Job Or One Time Job](user-guide/use-cases/devtron-generic-helm-chart-to-run-cron-job-or-one-time-job.md)
   * [Connect SpringBoot with Mysql Database](user-guide/use-cases/connect-springboot-with-mysql-database.md)
   * [Connect Expressjs With Mongodb Database](user-guide/use-cases/connect-expressjs-with-mongodb-database.md)
-  * [Connect Django With Mysql Database](user-guide/use-cases/untitled-3.md)
+  * [Connect Django With Mysql Database](user-guide/use-cases/connect-django-with-mysql-database.md)
 * [Telemetry Overview](user-guide/telemetry.md)
-  
-