diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 01c602b..2532e5a 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -979,7 +979,7 @@
         "country": "CN",
         "refs": [
           "http://www.crowdstrike.com/blog/cyber-deterrence-in-action-a-story-of-one-long-hurricane-panda-campaign/",
-          "https://www.crowdstrike.com/blog/crowdstrike-discovers-use-64-bit-zero-day-privilege-escalation-exploit-cve-2014-4113-hurricane-panda/"
+          "https://www.crowdstrike.com/blog/crowdstrike-discovers-use-64-bit-zero-day-privilege-escalation-exploit-cve-2014-4113-hurricane-panda/",
           "https://www.crowdstrike.com/blog/storm-chasing/",
           "https://www.crowdstrike.com/blog/cyber-deterrence-in-action-a-story-of-one-long-hurricane-panda-campaign/",
           "https://go.recordedfuture.com/hubfs/reports/cta-2019-0206.pdf"