diff --git a/ptychoScopy.md b/ptychoScopy.md
index ca01198..694f128 100644
--- a/ptychoScopy.md
+++ b/ptychoScopy.md
@@ -8,6 +8,11 @@ Each STEM has its own combination of parameters (magnifications, probe currents,
 To open interactive panel, run the line:
 `display(widgets.HBox([controls, gui]))`
 
+
+(a) Installation steps
+
+(b) Main ptychoScopy panel
+
 ![introduction](uploads/40d7cd1ae5cfee177580cc6ef045f63b/introduction.PNG)
 
 - [Step by step instructions](Instructions)