finished introduction

instructions/instr.tex

@@ -30,10 +30,25 @@ Instructions
 \newpage
 
 \pagenumbering{arabic}
+\begin{center}
+{\Huge Creating and Closing GitHub Issues}
+\end{center}
 \section{Overview}
-\subsection{}
+GitHub provides a great tool for multi-user collaboration on software projects.
+On top of the version control features, GitHub offers sophisticated issue
+tracking integrated right in with the repository.  Tracking issues makes it easy
+to keep track of bugs, new feature ideas, and feedback from testers, all of
+which help keep your project organized.  In the next five steps, you will learn
+how to create a new issues, assign an issue to a contributor, and mark an issue
+as resolved.
+
 This tutorial is for GitHub users who know how to create and use repositories,
-but are unfamiliar with GitHub's issue tracking features.
+but are unfamiliar with GitHub's issue tracking features. You need to have an
+existing GitHub repository, a web browser, and a git client on your computer.
+Once you're done, you'll be able add, manage, and close issues for every project
+you have on GitHub.
+
+\section{Steps}
 
 \step{1}{Create an issue}
 Create the issue. Done.