diff --git a/journal/2023-03-21.md b/journal/2023-03-21.md
index d5b65e582..56bfd7d98 100644
--- a/journal/2023-03-21.md
+++ b/journal/2023-03-21.md
@@ -10,3 +10,4 @@
     - [ ] answer ping by [[sl]] 
     - [ ] answer ping by [[hd]]
 - [[perturbation theory]] https://en.wikipedia.org/wiki/Perturbation_theory
+- [[liquid democracy]]