fix readme reference

Author: RubenHalman

README.md

@@ -30,7 +30,7 @@
 <p>📌<strong>Tip:</strong> To link directly to a specific rule, use the full GitHub anchor link format. Example:</p>
 <p><em><a href="https://github.com/Flow-Scanner/lightning-flow-scanner-core#unsafe-running-context">https://github.com/Flow-Scanner/lightning-flow-scanner-core#unsafe-running-context</a></em></p>
 
-> Want to code a new rule? → See [How to Write a Rule](docs/write-a-new-rule.md)
+> Want to code a new rule? → See [How to Write a Rule](docs/write-a-rule.md)
 
 ### Action Calls In Loop(Beta)