diff --git a/README.md b/README.md
index 7d417ef..5b327a3 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 <!-- Other fromat for embedding images: ![PCB](3D.png) -->
 
-<img src="3D.png" alt="PCB" width="500">
+<img src="3D.png" alt="PCB" width="400">
 <img src="Astable_Flip-Flop_Circuit_Breadboard.jpg" alt="Breadboard" width="500">
 <br/>