diff --git a/journal/2021-04-20.md b/journal/2021-04-20.md
index afcffec58..6bba021e6 100644
--- a/journal/2021-04-20.md
+++ b/journal/2021-04-20.md
@@ -3,7 +3,7 @@
 - [[hn]]
   - [[acid banger]]
   - [[open source goes to mars]] 
-  - [[prolog]]
+- I signed up for a 2h [[prolog]] course on coursera
 - TIL [[pip3 install google_speech]] gets you good TTS in Linux, way better than [[spd-say]]
 - [[do]]
   - [[pomodoro]]