Update README.md

README.md

@@ -12,6 +12,7 @@ It is written in Python and uses Qt for its graphical interface,
 and supports annotations for semantic and instance segmentation.
 
 <img src="examples/instance_segmentation/.readme/annotation.jpg" width="80%" />  
+*Fig 1. Example of annotations for instance segmentation.*
 
 
 ## Requirements