Merge pull request #634 from input-output-hk/olgahryniuk-patch-120

Update 07-chang.mdx

docs/about-cardano/05-evolution/04-upgrades/07-chang.mdx

@@ -72,3 +72,7 @@ As SanchoNet advances in its journey of implementation and feature rollout, the
 3. Delegate representatives (DReps): DReps are the voice of the broader community. As a representative, your role involves participating in voting on governance actions. You can consider the collective interests of the community as you engage in these important decisions.
 
 SanchoNet is more than just a testnet, it is a playground of opportunities. Within this space, the community can collaboratively create a governance system that is robust, decentralized, and truly community-driven. Your involvement, dedication, and passion will be the driving force behind SanchoNet's success.
+
+## Chang readiness
+
+You can check [engineering and ecosystem readiness for the Chang upgrade here](https://docs.intersectmbo.org/cardano/cardano-upgrades/hard-forks/chang-timeline-and-dependencies/chang-upgrade-1-readiness).