diff --git a/mkdocs.yml b/mkdocs.yml
index 93e265965227bbffc5ca01462d5e52d70d547451..fe00fc1497bd2822211259a2371a3954b7ba2745 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,7 +6,7 @@ site_description: |
   Lecture notes for the TU Delft course TN2844 Solid state physics
 nav:
   - Preface: 'index.md'
-  - Delft 2019 course run:
+  - Delft 2020 course run:
     - Organization: 'delft.md'
     - Announcements: 'announcements.md'
   - Phonons and specific Heat:
diff --git a/src/delft.md b/src/delft.md
index 48d4450652327964fb3eae866d923977945fa5db..ad89caa6639d5f17e20d0aedbb1cc1aec4b0f552 100644
--- a/src/delft.md
+++ b/src/delft.md
@@ -1,6 +1,6 @@
-# Delft 2019 course run
+# Delft 2020 course run
 
-The 2019 run of the TN2844 course *Vaste Stof Fysica* is now over. The retake exams will take place July 4.
+Welcome to the 2020 run of the solid state physics course (TN2844)
 
 ## Discussion chat