diff --git a/skeleton/markdown.html b/skeleton/markdown.html
new file mode 100644
index 0000000000000000000000000000000000000000..f5e374d93a8ac445cb90a2345aa5bcd0fd022e3c
--- /dev/null
+++ b/skeleton/markdown.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <meta http-equiv="Content-Style-Type" content="text/css" />
+  <meta name="generator" content="pandoc" />
+  <title></title>
+  <style>
+    div.padded {
+      padding-left: 30px;
+      padding-right: 30px;
+    }
+  </style>
+  <link href="https://git.lumc.nl/assets/application-9e18d69ef3096721155fd862af466f51.css" media="all" rel="stylesheet" />
+</head>
+<body>
+<div class="padded">
+  <h1 id="installation">Installation</h1>
+  <p>To install <a href="http://www.git-scm.com/">Git</a>:</p>
+  <pre><code>apt-get install git</code></pre>
+  <p>Now you can do the following:</p>
+  <ul>
+  <li>Make a new repository with <code>git init</code>.</li>
+  <li>Clone an existing repository with <code>git clone</code>.</li>
+  </ul>
+</div>
+</body>
+</html>
diff --git a/skeleton/markdown.xcf b/skeleton/markdown.xcf
new file mode 100644
index 0000000000000000000000000000000000000000..1b617117e9a0eea40e4e086de76f5051bf52604c
Binary files /dev/null and b/skeleton/markdown.xcf differ
diff --git a/skeleton/skeleton.tex b/skeleton/skeleton.tex
index 4e24a08f84350f97123d8e020209d3059bc89c51..65a4e3f9bd246b1e328da088bc3b3aa549998aab 100644
--- a/skeleton/skeleton.tex
+++ b/skeleton/skeleton.tex
@@ -54,10 +54,10 @@
 \begin{pframe}
   Usage:
   \begin{itemize}
-    \item Make a \emph{fork} (copy) of the skeleton project.
+    \item Make a clone of the skeleton project.
     \item Rename the project.
-    \item Clone your project.
-    \item Start working with it.
+    \item Create a new project on the server.
+    \item Change the remote \bt{origin} to your new project.
   \end{itemize}
   \bigskip
   \pause
@@ -76,35 +76,6 @@
   \permfoot{https://git.lumc.nl/lgtc-bioinformatics/project-skeleton}
 \end{pframe}
 
-%\subsection{Forking}
-%\begin{pframe}
-%  Make a new analysis project.
-%  \begin{itemize}
-%    \item Go to the ``Project skeleton'' project page on our GitLab server.
-%    \item Click ``Fork'' to fork it to a new project.
-%    \item Go to ``Settings'' to rename the new project.
-%    \begin{itemize}
-%      \item Change both the project as well as the repository path.
-%    \end{itemize}
-%  \end{itemize}
-%  
-%  \vfill
-%  \permfoot{https://git.lumc.nl/lgtc-bioinformatics/project-skeleton}
-%\end{pframe}
-
-%\subsection{Configuration}
-%\begin{pframe}
-%  Configure your project.
-%  \begin{itemize}
-%    \item Choose to make your project public or not.
-%    \begin{itemize}
-%      \item Public by default.
-%      \item Public really means public.
-%    \end{itemize}
-%    \item Add the people that work on this project.
-%  \end{itemize}
-%\end{pframe}
-
 \section{Project structure}
 \subsection{Global overview}
 \begin{pframe}
@@ -117,10 +88,35 @@
   \end{itemize}
   \bigskip
 
-  Ideally, every directory in the project has a \bt{README} file.
+  Ideally, every directory in the project has a \bt{README.md} file.
+\end{pframe}
+
+\subsection{Markdown files}
+\begin{pframe}
+  \begin{lstlisting}[language=none, caption=Markdown snippet.]
+    # Installation
+
+    To install [Git](http://www.git-scm.com/):
+
+        apt-get install git
+
+    Now you can do the following:
+
+    - Make a new repository with `git init`.
+    - Clone an existing repository with `git clone`.
+  \end{lstlisting}
+\end{pframe}
+  
+\begin{pframe}
+  \begin{figure}[]
+    \begin{center}
+      \includegraphics[width=\textwidth]{markdown}
+    \end{center}
+    \caption{Rendered markdown page.}
+  \end{figure}
 \end{pframe}
 
-\subsection{The toplevel ``README'' file}
+\subsection{The toplevel ``README.md'' file}
 \begin{pframe}
   This file contains general information about the project, for example:
   \begin{itemize}
@@ -148,7 +144,7 @@
   Used to store all raw data.
   \bigskip
 
-  The \bt{README} contains:
+  The \bt{README.md} contains:
   \begin{itemize}
     \item Description of the delivered data.
     \begin{itemize}
@@ -174,6 +170,7 @@
 \begin{pframe}
   All analysis related files are stored here:
   \begin{itemize}
+    \item Symlinks to the actual data.
     \item Run scripts.
     \item Make files.
     \item Result files.
@@ -181,7 +178,7 @@
   \bigskip
 
   Try to separate self-contained parts of the analysis in their own
-  subdirectories and document dependencies in a \bt{README} file.
+  subdirectories and document dependencies in a \bt{README.md} file.
   \begin{itemize}
     \item Normal data analysis.
     \item $k$-mer analysis.
@@ -263,6 +260,20 @@
   \end{lstlisting}
 \end{pframe}
 
+\subsection{Modifying files}
+\begin{pframe}
+  Sometimes we need to change the content of a file.
+  \bigskip
+
+  \begin{lstlisting}[language=none, caption=Unlocking a file.]
+    $ git annex edit <filename>
+    unlock <filename> (copying...) ok
+  \end{lstlisting}
+  \bigskip
+
+  You can use \bt{git annex add} when you are done.
+\end{pframe}
+
 \subsection{Removing files}
 \begin{pframe}
   As long as there are enough copies available, you can remove files.
@@ -304,6 +315,29 @@
   \end{lstlisting}
 \end{pframe}
 
+\subsection{Cleaning your repository}
+\begin{pframe}
+  You can clean your repository with one command.
+  \bigskip
+
+  \begin{lstlisting}[language=none, caption=Remove untracked files.]
+    $ git clean -f -x
+  \end{lstlisting}
+
+  \begin{table}[]
+    \begin{center}
+      \begin{tabular}{ll}
+        option & description\\
+        \hline
+        \bt{-f} & Force (really remove).\\
+        \bt{-x} & Also remove \emph{ignored} files.\\
+        \bt{-n} & Do a \emph{dry run}.\\
+      \end{tabular}
+    \end{center}
+    \caption{Common options.}
+  \end{table}
+\end{pframe}
+
 \subsection{Working together on the same clone}
 \begin{pframe}
   Sometimes you need to work with other people on the same repository clone.
@@ -331,8 +365,9 @@
 
     Martijn Vermaat
 
-    Zuotian Tatum
+    Wibowo Arindrarto
 
+    Zuotian Tatum
   \end{center}
 
   \vfill
diff --git a/skeleton/skeleton_handouts.tex b/skeleton/skeleton_handouts.tex
index e8cb27da8e92dcb0e1c3e9432fb2c7eeb249f8a4..e402b00dbe9d4e0d3f53235fea54fe8aa0795232 100644
--- a/skeleton/skeleton_handouts.tex
+++ b/skeleton/skeleton_handouts.tex
@@ -71,6 +71,13 @@ With the ``\texttt{file}'' command you can now see that
   $ git pull
   $ git annex get bigfile.dat
 \end{lstlisting}
+
+\newpage
+
+Let the original repository know that you have a copy.
+\begin{lstlisting}
+  $ git annex sync
+\end{lstlisting}
 \bigskip
 
 You can now remove the big data file from the original repository.