Update README.md

Author: pabloariasal

README.md

@@ -1,6 +1,6 @@
 # couring
 C++ program that uses C++20 Corotuines and io_uring.
-Implementation explain the [blog series](https://pabloariasal.github.io/2022/11/12/couring-1/)
+Implementation explained in the [blog series](https://pabloariasal.github.io/2022/11/12/couring-1/)
 
 # Requirements