Update README.md

Author: gauravbisht005

README.md

@@ -8,7 +8,7 @@ Build Kubernetes Operators in Java without hassle. Inspired by [operator-sdk](ht
 | [1.] | [Features](#Features) |
 | [2.] | [Why build your own Operator?](#Why build your own Operator?) |
 | [3.] | [Roadmap](#Roadmap) |
-| [4.] | [Join us on Discord!](#Join-us-on-Discord!) |
+| [4.] | [Join us on Discord!](#Join-us-on-Discord-!) |
 | [5.] | [User Guide](#User-Guide) |
 | [6.] | [Usage](#Usage) |
 | [7.] | [Spring Boot](#Spring-Boot) |