diff --git a/diego de la hera.md b/diego de la hera.md
index b805d934e..cc3b740f6 100644
--- a/diego de la hera.md	
+++ b/diego de la hera.md	
@@ -12,3 +12,4 @@
   - [[topics]]
     - [[web annotations]]
     - [[wikimedia]]
+    - [[federation]] between the two?