Update README.md

re-writes introduction to BEM explaining the relationship between BEM and OOCSS

README.md

@@ -4,7 +4,7 @@ A project on how to write scaleable CSS using BEM notation and OOCSS
 
 # What is OOCSS? 🧐
 
-OOCSS (Object Oriented CSS) is a methodology created by ([Nicole Sullivan](https://github.com/stubbornella/oocss/wiki) 2009), for writing CSS that abstracts away CSS repetition into re-usable "objects". 
+OOCSS (Object Oriented CSS) is a methodology created by ([Nicole Sullivan](https://github.com/stubbornella/oocss/wiki) 2009), for writing CSS that abstracts away CSS repetition into reusable "objects". 
 
 ## What is a CSS "object"?
 
@@ -154,6 +154,8 @@ BEM notation ([Yandex](https://en.bem.info/methodology/) 2009), is a CSS naming
 
 BEM stands for Block Element Modifier and has a high adoption rate amongst developers due to it's low cost, ease of use - and success!
 
+OOCSS and BEM are two separate methodologies, but essentially OOCSS defines good architecture and BEM makes those principles less confusing.
+
 Lets break it down...
 
 ![B-b-break it down!](./images/break-dance.png)