Merge pull request #30 from wojcikstefan/patch-1

Fix typo in README.md

README.md

@@ -108,7 +108,7 @@ Mantras like "methods should be shorter than 15 lines of code" or "classes shoul
 
 ![Deep module](/img/deepmodulev8.png)
 
-Having too many shallow modules can make it difficult understand the project. **Not only do we have to keep in mind each module responsibilities, but also all their interactions**. To understand the purpose of a shallow module, we first need to look at the functionality of all the related modules. `🤯`
+Having too many shallow modules can make it difficult to understand the project. **Not only do we have to keep in mind each module responsibilities, but also all their interactions**. To understand the purpose of a shallow module, we first need to look at the functionality of all the related modules. `🤯`
 
 > Information hiding is paramount, and we don't hide as much complexity in shallow modules.
 
@@ -322,4 +322,4 @@ We should reduce any cognitive load above and beyond what is intrinsic to the wo
   <summary><b>Coding principles and experience</b></summary>
   <img src="img/complexity.png"><br>
   <a href="https://twitter.com/flaviocopes">@flaviocopes</a>
-</details>
+</details>