diff --git a/knowledge graphs and indylab.md b/knowledge graphs and indylab.md
index babe57506..03fd26053 100644
--- a/knowledge graphs and indylab.md	
+++ b/knowledge graphs and indylab.md	
@@ -4,7 +4,7 @@
 - [[yarrow]]
   - hackathon due date: next thursday
   - [[indylab]] https://github.com/IndyVerse/indylab
-  - [[hackathon]] https://browsers3000.devpost.com/?ref_feature=challenge&ref_medium=your-open-hackathons&ref_content=Submissions+open
+  - [[hackathon]] https://browsers3000.devpost.com/
 - [[gyuri lajos]] quick intro: started in this space ~2003. been doing personal knowledge graphs with collaborative convergence
   - key idea: building on [[trust]]
   - open, common based, peer produced, new interpersonal layer over the decentralized web