diff --git a/docs/DeveloperGuide.md b/docs/DeveloperGuide.md
index 89f5ec594a2..a76f1e81877 100644
--- a/docs/DeveloperGuide.md
+++ b/docs/DeveloperGuide.md
@@ -440,7 +440,7 @@ UniCa$sh consists of the following UI components:
 2. Help Window
 3. Statistics / Budget Window
 
-<img src="images/unicash/UiClassDiagram.png" width="404" />
+<img src="images/unicash/UiClassDiagram.png" width="800" />
 
 In this section, we will be going through the implementation of the main window.