Update README.md

README.md

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 Made for educational porpuses. 
 No game-engine, only C++ and SDL2.
 
-I've used an ECS architecture for this project, I took some cues from: https://github.com/redxdev/ECS although my implementation is probably less efficent, I'm not as confident with C++ as I'd like to be.
+I've used an ECS architecture taking some cues from: https://github.com/redxdev/ECS
+My implementation is probably less efficent though, I'm not as confident with C++ as I'd like to be.
 
 - **Author**: Fernando Raviola
 - **Twitter**: @fernandoraviola