fix(docs): a small typo

docs/eps/week1.md

@@ -127,7 +127,7 @@ Few more books I recommend:
 
 If you are interested in early days of Ethereum, the story of its founders and creation, check out book [The Infinite Machine](https://www.camirusso.com/book). Another similar one is [Out of the Ether](https://www.goodreads.com/book/show/55360267-out-of-the-ether). (ping me for epubs)
 
-A very recent publication providing a comprehensive insight is [Absolute Essentials of Ethereum](https://www.routledge.com/Absolute-Essentials-of-Ethereum/Dylan-Ennis/p/book/9781032334189). It a covers [variety of topics](https://www.coindesk.com/consensus-magazine/2024/02/07/absolute-essentials-of-ethereum-by-paul-dylan-ennis-an-excerpt/) and I can strongly recommend it. 
+A very recent publication providing a comprehensive insight is [Absolute Essentials of Ethereum](https://www.routledge.com/Absolute-Essentials-of-Ethereum/Dylan-Ennis/p/book/9781032334189). It covers a [variety of topics](https://www.coindesk.com/consensus-magazine/2024/02/07/absolute-essentials-of-ethereum-by-paul-dylan-ennis-an-excerpt/) and I can strongly recommend it. 
 
 [Mastering Ethereum](https://github.com/ethereumbook/ethereumbook) is one of the great blockchain books by aantop covering everything from basics to technical details. It's few years old and already outdated but still can be a good inspiration.