Update README.md

README.md

@@ -17,7 +17,7 @@ You will also need the Unity UI package.
 * Put the yolov8n.sentis file in the Assets/StreamingAssets folder
 * Drag the classes.txt on to the labelAssets field
 * Put a video file in the Assets/StreamingAssets folder and set the name of videoName to the filename in the script
-* Set the fields for the bounding box texture sprite and the font
+* Set the fields for the bounding box texture sprite (you can [create your own one](https://docs.unity3d.com/Manual/9SliceSprites.html) using a transparent texture or use an inbuilt one) and the font
 
 
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