diff --git a/README.md b/README.md
index 37cb9fd4..cb0ec39a 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ The image below shows the battery model error (MAPE) for the NMC battery model p
 genetic algorithm with a population of 10. 
 
 [//]: # (![battery_model_error_mape.png](doc_images%2Fbattery_model_error_mape.png))
-<img src="doc_images/battery_model_error_mape.png" width="200">
+<img src="doc_images/battery_model_error_mape.png" width="500">
 
 ### charging_sim