update course page

Author: brianamarie

course-details.md

@@ -1,11 +1,23 @@
 Have you ever worked in a repository with a lot of history? Perhaps you've had to track down related issues and pull requests in the past, or you've had to find who committed a particular change. If you've ever found yourself in any of these situations, you'll know how important it is to navigate your workspace.
 
-Before you take this course, you may want to go through the [Introduction to GitHub](https://lab.github.com/githubtraining/introduction-to-github) course on Learning Lab.
-
-In this course, you'll learn how to do lots of things, like:
+## What you'll learn
 
 - Find relevant issues and pull requests
 - Search history to find context
 - Make connections within GitHub to help others find things
 
-This course has a dedicated message board on the [GitHub Community]({{ communityBoard }}) website. If you want to discuss this course with GitHub Trainers or other participants create a post over there. The message board can also be used to troubleshoot any issue you encounter while taking this course.
+## What you'll build
+
+- A GitHub Pages site with documentation about how to communicate effectively on GitHub
+
+## Prerequisites
+
+Before you take this course, you may want to go through the [Introduction to GitHub](https://lab.github.com/githubtraining/introduction-to-github) course on Learning Lab.
+
+## Projects used
+
+- [docsify](https://docsify.js.org/#/), a magical documentation site generator
+
+## Audience
+
+Developers, GitHub users, users new to Git, students, managers, teams