diff --git a/_requests_for_research/cartpole.html b/_requests_for_research/cartpole.html
index de84802..4014ddb 100644
--- a/_requests_for_research/cartpole.html
+++ b/_requests_for_research/cartpole.html
@@ -1,5 +1,5 @@
---
-title: Cartpole: for newcomers to RL
+title: "Cartpole: for newcomers to RL"
summary: ''
difficulty: 1 # out of 3
---