diff --git a/README.md b/README.md
index a23f5d1a890e295ed89daf404255e05920445ac6..2caf277e98aab652eafdd78bd5fd4fb0fdbd5f1d 100644
--- a/README.md
+++ b/README.md
@@ -30,23 +30,23 @@ This year the contents will be slightly less advanced on the technical side
 (no branching, no git-annex). Instead, there is more focus on using the LUMC
 GitLab server and using Git for data analysis projects.
 
-| Time  | Subject           | Teacher           | Contents                  |
-| ----- | ----------------- | ----------------- | ------------------------- |
-| 09:00 | **Introduction**  | Jeroen Laros      | Welcome, GitLab overview, SSH keys |
-| 09:30 | *Practical*       |                   |                           |
-| 09:45 | [Git basics](http://bit.ly/lumc_git_basics) | Wibowo Arindrarto | Basic Git command line fu |
-| 10:30 | *Practical*       |                   |                           |
-| 11:00 | Coffee            |                   |                           |
-| 11:15 | **Git and remote repositories** | Martijn Vermaat   | Sharing and collaborating via GitLab |
-| 11:45 | *Practical*       |                   |                           |
-| 12:00 | Lunch             |                   |                           |
-| 13:00 | *Practical*       |                   |                           |
-| 13:30 | **Combining changes by merging** | Martijn Vermaat   | Resolving merge conflicts, protected branches |
-| 14:15 | *Practical*       |                   |                           |
-| 14:45 | Break             |                   |                           |
-| 15:00 | [Data analysis](usecases/) | Szymon M. Kiełbasa   | More GitLab, Markdown, data analysis use case |
-| 15:30 | *Practical*       |                   |                           |
-| 16:00 | Questions, drinks |                   |                           |
+| Time  | Subject                                                                                | Teacher           | Contents                  |
+| ----- | -----------------                                                                      | ----------------- | ------------------------- |
+| 09:00 | [Introduction](/uploads/c16e25cadec825ca79a768825f5e64a2/introduction.pdf)             | Jeroen Laros      | Welcome, GitLab overview, SSH keys |
+| 09:30 | [Practical](/uploads/59500f585b0b5f06ce4464375f2104a9/introduction_handouts.pdf)       |                   |                           |
+| 09:45 | [Git basics](http://bit.ly/lumc_git_basics)                                            | Wibowo Arindrarto | Basic Git command line fu |
+| 10:30 | *Practical*                                                                            |                   |                           |
+| 11:00 | Coffee                                                                                 |                   |                           |
+| 11:15 | **Git and remote repositories**                                                        | Martijn Vermaat   | Sharing and collaborating via GitLab |
+| 11:45 | *Practical*                                                                            |                   |                           |
+| 12:00 | Lunch                                                                                  |                   |                           |
+| 13:00 | *Practical*                                                                            |                   |                           |
+| 13:30 | **Combining changes by merging**                                                       | Martijn Vermaat   | Resolving merge conflicts, protected branches |
+| 14:15 | *Practical*                                                                            |                   |                           |
+| 14:45 | Break                                                                                  |                   |                           |
+| 15:00 | [Data analysis](usecases/)                                                             | Szymon Kiełbasa   | More GitLab, Markdown, data analysis use case |
+| 15:30 | *Practical*                                                                            |                   |                           |
+| 16:00 | Questions, drinks                                                                      |                   |                           |
 
 
 ## Prerequisites
@@ -107,4 +107,4 @@ First clone this repository, then fetch the data from the submodule:
 A new presentation can be added like this:
 
     cd presentation
-    bash mkpres.sh ../mypresentation
+    bash mkpres.sh ../mypresentation
\ No newline at end of file