diff --git a/clusters/exploit-kit.json b/clusters/exploit-kit.json
index 28d9c39b..035eddc4 100755
--- a/clusters/exploit-kit.json
+++ b/clusters/exploit-kit.json
@@ -236,7 +236,7 @@
     }
 ,
     { "value": "BlackHole",
-      "description": "The BlackHole Exploit Kit has been the most popular exploit kit from 2011 to 2013. It's activity stopped with Paunch's Arrest (all activity since then is marginal and based on the old leak)",
+      "description": "The BlackHole Exploit Kit has been the most popular exploit kit from 2011 to 2013. Its activity stopped with Paunch's Arrest (all activity since then is marginal and based on the old leak)",
       "meta": {
         "refs": [
 	  "",