diff --git a/hypergraph.md b/hypergraph.md
index 867d2d9a4..2da133483 100644
--- a/hypergraph.md
+++ b/hypergraph.md
@@ -1,11 +1,14 @@
 # Hypergraph
 
 - [[go]] https://en.wikipedia.org/wiki/Hypergraph
+- The [[agora]] is a [[hypergraph]].
 - [[jonathan]] https://golem.ph.utexas.edu/category/2018/02/hypergraph_categories_of_cospa.html
 
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [go]: go "Go"
+[agora]: agora "Agora"
+[hypergraph]: hypergraph "Hypergraph"
 [jonathan]: jonathan "Jonathan"
 [//end]: # "Autogenerated link references"
\ No newline at end of file