diff --git a/README.md b/README.md
index a46631a..2d31fd4 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ code, please cite the article (https://bmcbioinformatics.biomedcentral.com/artic
 
 Here is a classification example generated by SBMLKinetics:
 
-<img src="https://raw.githubusercontent.com/SunnyXu/SBMLKinetics/master/docs/Figures/Fig2_signalling_vs_metabolic.png" width="450" height="350">
+<img src="https://raw.githubusercontent.com/SunnyXu/SBMLKinetics/master/docs/Figures/Fig2_signalling_vs_metabolic.png" width="900" height="350">
 
 Please see more examples in the documentation.