diff --git a/open-nation.md b/open-nation.md
index d3059e2e3..8bac6d935 100644
--- a/open-nation.md
+++ b/open-nation.md
@@ -5,7 +5,8 @@
   - Many [[open nations]] have [[open borders]].
   - Some [[open nations]] have [[universal basic income]].
   - [[Flancia]] is an open nation.
-- https://twitter.com/flancian/status/1359955258672316426
+- [[Open nations]] reject [[hierarchy]] as a principle to organize [[society]].
+  - https://twitter.com/flancian/status/1359955258672316426
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
@@ -14,4 +15,5 @@
 [open borders]: open-borders "Open Borders"
 [universal basic income]: universal-basic-income "Universal Basic Income"
 [Flancia]: flancia "Flancia"
+[hierarchy]: hierarchy "Hierarchy"
 [//end]: # "Autogenerated link references"
\ No newline at end of file