diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0b264ef288..0967e9a903 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -95,7 +95,7 @@ Broadly,
 
 Contributing to this requires some understanding of APIs, ES6 Syntax and a lot of curiosity.
 
-Essentially we expect certain basic familiarity, with some of the aforementioned technologies, tools and libraries. That said, you are not required to be an expert on them.
+Essentially we expect certain basic familiarity, with some of the aforementioned technologies, tools, and libraries. That said, you are not required to be an expert on them.
 
 Feel free to ask us questions, on the related issue threads, and we will be glad to clarify. When in doubt, you can reach Mrugesh Mohapatra [`@raisedadead`](https://github.com/raisedadead) or Stuart Taylor [`@bouncey`](https://github.com/bouncey) from our platform dev team to help you with this.