Update GENERATIVE_AI_GUIDELINES.md

Author: robertogl

GENERATIVE_AI_GUIDELINES.md

@@ -42,7 +42,7 @@ Used wisely, Generative AI is a powerful learning aid and productivity booster.
 
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-## 📅 Generative AI Usage Code of Conduct for Student Projects
+## 📅 Generative AI Usage Code of Conduct for Challenge Projects
 
 1. **Use AI as a Support Tool, Not a Substitute**  
    Do your own thinking first. Use GenAI to explore ideas or enhance your work—not to replace your effort.