bugfix

Author: jonmay

_modules/week-07.md

@@ -35,7 +35,7 @@ The announcement can be made red for due dates as follows
 -->
 
 Oct 7
-: [Reinforcement Learning with Human Feedback: Proximal Policy Optimization (PPO) and Direct Preference Optimization (DPO)](({{site.baseurl}}assets/files/rlhf.pptx)
+: [Reinforcement Learning with Human Feedback: Proximal Policy Optimization (PPO) and Direct Preference Optimization (DPO)]({{site.baseurl}}assets/files/rlhf.pptx)
   : [Ziegler RLHF Paper]({{site.baseurl}}assets/files/ziegler.pdf), [DPO Paper]({{site.baseurl}}assets/files/dpo.pdf)
   : Emily Weiss - [Don't Hallucinate, Abstain: Identifying LLM Knowledge Gaps via Multi-LLM Collaboration](https://arxiv.org/abs/2402.00367)
   : Questions by: Yifan Jiang