Update README.md

README.md

@@ -106,7 +106,7 @@ Each row corresponds to a **single simulation or measurement configuration** for
 
 4. **Optical Performance**  
    - `refractive_index_core` and `refractive_index_cladding`: Core and cladding indices at room temperature.  
-   - `propagation_loss_min` and `propagation_loss_max` (dB/cm): Losses at min and max temperatures.  
+   - `propagation_loss_min` and `propagation_loss_max` (dB/cm): Losses at minimum and maximum temperatures.  
    - `effective_index_min` and `effective_index_max`: Mode index at temperature limits.  
    - `dn_dT` (1/°C): Change in effective index with temperature.  
    - `thermal_tuning_efficiency` (%): Efficiency of thermal tuning.