update readme screenshots

README.md

@@ -21,21 +21,25 @@ The complete documentation for NetBox can be found at [Read the Docs](https://ne
 ### Build Status
 
 |             | status                                                                                            |
-|-------------|------------|
+| ----------- | ------------------------------------------------------------------------------------------------- |
 | **master**  | ![Build status](https://github.com/netbox-community/netbox/workflows/CI/badge.svg?branch=master)  |
 | **develop** | ![Build status](https://github.com/netbox-community/netbox/workflows/CI/badge.svg?branch=develop) |
 
 ### Screenshots
 
-![Screenshot of main page](docs/media/screenshot1.png "Main page")
+![Screenshot of Main Page](docs/media/screenshot-home.png "Main Page")
 
 ---
 
-![Screenshot of rack elevation](docs/media/screenshot2.png "Rack elevation")
+![Screenshot of Rack Elevation](docs/media/screenshot-rack.png "Rack Elevation")
 
 ---
 
-![Screenshot of prefix hierarchy](docs/media/screenshot3.png "Prefix hierarchy")
+![Screenshot of Prefix Hierarchy](docs/media/screenshot-prefixes.png "Prefix Hierarchy")
+
+---
+
+![Screenshot of Cable Tracing](docs/media/screenshot-cable.png "Cable Tracing")
 
 ## Installation