Coverage fuzzing documentation fix

doc/user/application_security/index.md

@@ -64,6 +64,7 @@ GitLab uses the following tools to scan and report known vulnerabilities found i
 | [Secret Detection](secret_detection/index.md) **(ULTIMATE)**                | Analyze Git history for leaked secrets.                                |
 | [Security Dashboard](security_dashboard/index.md) **(ULTIMATE)**             | View vulnerabilities in all your projects and groups.                  |
 | [Static Application Security Testing (SAST)](sast/index.md) **(ULTIMATE)**   | Analyze source code for known vulnerabilities.                         |
+| [Coverage fuzzing](coverage_fuzzing/index.md) **(ULTIMATE)**                 | Find unknown bugs and vulnerabilities with coverage-guided fuzzing.    |
 
 ## Security Scanning with Auto DevOps