diff --git a/courses.markdown b/courses.markdown
index cb39a6542..18af9b92c 100644
--- a/courses.markdown
+++ b/courses.markdown
@@ -54,19 +54,19 @@ All course webcasts are hosted on our [SwitchTube channel](https://tube.switch.c
* **07 Measuring fear conditioning with PsPM:** [Slides](http://bachlab.org/07_fear_conditioning_xia)
-
+
* **Tutorial 2: GLM** (Dominik R Bach)
-
+
* **Tutorial 3: non-linear SCR model and artefact removal** (Dominik R Bach)
-
+
* **Tutorial 4: pupil size analysis** (Christoph W Korn)
-
+
* **Tutorial 5: Workflow automation I** (Filip Melinscak)
* [Slides](https://docs.google.com/presentation/d/1LsaEB3MozxvxJVSfZUQdXBhJ6BjEkqLeFf_0nZiD4Zc/edit?usp=sharing)