Minor updates to CONTRIBUTING.md

CONTRIBUTING.md

-Hello, and may we also say in advance, THANK YOU! 
+Hello, and thank you for helping us improve this project. We welcome your help, support, and feedback.
  
-If you are reading this, there is a good chance you are considering helping us 
-to improve this project, and we welcome your help, support, and feedback. 
+## Contents
+ 
+The following is a short summary of the contents of this file.
  
 * Requirements to contribute - Submit a CLA
 * When to create an issue vs just a merge request? - Big changes need an issue
@@ -45,7 +46,7 @@ Manager, a member of the IEEE SA Staff, is the maintainer.
  
 OSCom as a whole approves all official releases of the Maintainer's Manual. The
 official release of the Maintainer's Manual may or may not package all
-assetts associated with this open source project. 
+assets associated with this open source project.
  
 OSCom may request that the IEEE SA Open Source Community Manager to create,
 modify, or revise this manual with or without specific guidance. As a member
@@ -68,3 +69,5 @@ You can also seek guidance if someone might be available in our [public mattermo
  
  
  
+ 
+