Update notes-detailed.md

Author: chizkidd

units/005-Unity-ML-Agents/notes-detailed.md

@@ -1951,4 +1951,5 @@ AI vs AI Competition
 
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-*These notes cover Unit 5: Introduction to Unity ML-Agents from the Hugging Face Deep RL Course. Practice training agents in both SnowballTarget and Pyramids environments to solidify your understanding of Unity ML-Agents and curiosity-driven learning!*
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+*These notes cover Unit 5: Introduction to Unity ML-Agents from the Hugging Face Deep RL Course. Practice training agents in both `SnowballTarget` and `Pyramids` environments to solidify understanding of Unity ML-Agents and curiosity-driven learning!*