Update contributor doc descriptions

contributor_docs/contributing_to_the_p5.js_reference.md

@@ -1,4 +1,4 @@
-<!-- A tour of the source code powering the Reference section of the p5.js website, and a guide to help contribute to it. -->
+<!-- Write and edit p5.js reference using the right format. -->
 
 # Contributing to the p5.js Reference
 

contributor_docs/contributor_guidelines.md

@@ -1,4 +1,4 @@
-<!-- Start here if you are looking to participate on GitHub! -->
+<!-- Essential information about contributing to p5.js on GitHub. -->
 
 # Contributor Guidelines
 

contributor_docs/creating_libraries.md

@@ -1,4 +1,4 @@
-<!-- Step-by-step instructions on how to create an addon library. -->
+<!-- Extend p5.js functionalities with your own addon library. -->
 
 # Creating an Addon Library
 

contributor_docs/steward_guidelines.md

@@ -1,4 +1,4 @@
-<!-- What to expect as a steward, and a playbook for common situations. -->
+<!-- Learn about how to manage and review contributions to p5.js. -->
 
 # Steward Guidelines
 

contributor_docs/unit_testing.md

@@ -1,4 +1,4 @@
-<!-- Learn how to write tests for p5.js, and help us keep the library bug-free.  -->
+<!-- Guide to writing tests for p5.js source code.  -->
 
 # Unit Testing
 

contributor_docs/web_accessibility.md

@@ -1,4 +1,4 @@
-<!-- The features p5.js provides to help keep sketches accessible to everyone. -->
+<!-- Understand and use p5.js’ Web Accessibility features to make your sketch accessible. -->
 
 # p5.js Web Accessibility