Update index.md

Author: vtjl10

public/content/developers/docs/networking-layer/portal-network/index.md

@@ -82,7 +82,7 @@ Having multiple independent client implementations enhances the resilience and d
 
 If one client experiences issues or vulnerabilities, other clients can continue to operate smoothly, preventing a single point of failure. Additionally, diverse client implementations foster innovation and competition, driving improvements and reducing monoculture risk within the ecosystem.
 
-## Further reading {#futher-reading}
+## Further reading {#further-reading}
 
 - [The Portal Network (Piper Merriam at Devcon Bogota)](https://www.youtube.com/watch?v=0stc9jnQLXA).
 - [The Portal Network discord](https://discord.gg/CFFnmE7Hbs)