diff --git a/ptychoScopy.md b/ptychoScopy.md
index 57aac15..ca01198 100644
--- a/ptychoScopy.md
+++ b/ptychoScopy.md
@@ -8,7 +8,7 @@ Each STEM has its own combination of parameters (magnifications, probe currents,
 To open interactive panel, run the line:
 `display(widgets.HBox([controls, gui]))`
 
-![ptychoscopy_main](uploads/c0518a94e945455a4ca988f19b19090a/ptychoscopy_main.PNG)
+![introduction](uploads/40d7cd1ae5cfee177580cc6ef045f63b/introduction.PNG)
 
 - [Step by step instructions](Instructions)
 - [Microscope control panel](Controls)