Update README.md

Author: javadev

README.md

@@ -3,6 +3,6 @@
 [![Maven Central](https://img.shields.io/maven-central/v/com.github.javadev/leetcode-in-kotlin.svg)](http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.github.javadev%22%20AND%20a%3A%22leetcode-in-kotlin%22)
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-[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=javadev_LeetCode-in-Kotlin&metric=sqale_rating)](https://sonarcloud.io/summary/new_code?id=javadev_LeetCode-in-Kotlin)
+[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=javadev_LeetCode-in-Kotlin&metric=sqale_rating)](https://sonarcloud.io/summary/overall?id=javadev_LeetCode-in-Kotlin)
 
 Kotlin Solution for LeetCode algorithm problems, continually updating.