Update 01_intro.md
these pronouns were just a bit awkward
@@ -98,8 +98,8 @@ By simply adding a force to an entity that has a mass, you can make it move, bec
## Where to use an ECS?
-In case you were looking for a general-purpose library for doing it the data-oriented way, I have to disappoint you; there are none.
-ECS libraries are best-suited for creating games or simulations, but it does not magically make your code more data-oriented.
+In case you were looking for a general-purpose library for doing things the data-oriented way, I have to disappoint you; there are none.
+ECS libraries are best-suited for creating games or simulations, but they do not magically make your code more data-oriented.
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