Update README.md

Author: DanWahlin

01-setup-and-first-steps/README.md

@@ -486,7 +486,7 @@ copilot
 
 > 💡 **Tip**: Some models cost more "premium requests" than others. Models marked **1x** (like Claude Sonnet 4.5) are a great default. They're capable and efficient. Higher-multiplier models use your premium request quota faster, so save those for when you really need them.
 
-> 💡 **Not sure which model to pick?** Select **`auto`** from the model picker to let Copilot automatically choose the best available model for each session. This is a great default if you're just getting started and don't want to think about model selection.
+> 💡 **Not sure which model to pick?** Select **`Auto`** from the model picker to let Copilot automatically choose the best available model for each session. This is a great default if you're just getting started and don't want to think about model selection.
 
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