Update how-to-use.md

docs/pages/how-to-use.md

@@ -15,4 +15,4 @@ Most of the time, if you don't need to modify the engine itself, you'll  operate
 
 You can skip visualisation and use CLI output if you want pure NPC simulation without user interaction. You can also change behaviors and visualisations independently.
 
-The New Kingdoms engine was designed based on the clean architecture principles. In two articles referenced below, you can read the full [story of its design](https://medium.com/better-programming/clean-architecture-in-game-development-e57542a96e5e), understand the [final implementation](https://medium.com/@yankalbaska/how-clean-should-your-architecture-be-b2157eeea737) down to classes, how they depend on each other, and how the engine is intended to be used. There is also a [demo app](../samples) to make it easier to start.
+The New Kingdoms engine was designed based on the clean architecture principles. In two articles referenced below, you can read the full [story of its design](https://medium.com/better-programming/clean-architecture-in-game-development-e57542a96e5e), understand the [final implementation](https://medium.com/@yankalbaska/how-clean-should-your-architecture-be-b2157eeea737) down to classes, how they depend on each other, and how the engine is intended to be used. There is also a [demo app](samples) to make it easier to start.