Update README.md

README.md

@@ -50,7 +50,7 @@ It builds a compact model under a small compute budget and report results with a
 
 - **Source:** `ecopus/sign_identification`
 - **Task:** Multiclass sign recognition
-- **Classes:** [N_CLASSES] (e.g., list them if short)
+- **Classes:** Stop, Yield, SpeedLimit, NoEntry, Crosswalk
 - **Preprocessing:** 
   - `datasets` → decode to `PIL`
   - Resize to 224×224, RGB