diff --git a/seed_data/challenges.json b/seed_data/challenges.json
index 999acfd08f..7b324a05c4 100644
--- a/seed_data/challenges.json
+++ b/seed_data/challenges.json
@@ -165,7 +165,7 @@
     "video": "114591799",
     "challengeNumber": 13,
     "steps": [
-        "Now that we've built a foundation in jQuery, let's go back to Dash and do it's last challenge.",
+        "Now that we've built a foundation in jQuery, let's go back to Dash and do its last challenge.",
         "If you aren't familiar with Mad Libs, they basically involve inserting random nouns, adjectives and verbs in to stories. The stories that result are often hilarious.",
         "Go to <a href='https://dash.generalassemb.ly/projects/mad-libs-1' target='_blank'>https://dash.generalassemb.ly/projects/mad-libs-1</a> and complete the fifth project."
     ]