Update README.md

README.md

@@ -25,8 +25,7 @@ The original dataset can be found in the [OptoGPT publication 📝](https://arxi
 **Key Enhancements**
 
 - Inclusion of an **absorption** feature in the model ➕📈
-- Increased the maximum **wave length** to 2,000nm 💡
-- Additional **materials**, e.g. EVA 👍
+- Increased the **wave length** range to 300-2,000nm 💡
 
 ## Structure