Typo

README.md

@@ -78,7 +78,7 @@ To use PolygonZone, open up the [PolygonZone web application](https://roboflow.g
 4. Continue to draw as many polygons as you need.
 5. Copy the NumPy array or JSON object that contains the coordinates of the polygons you have drawn.
 
-## Funcionalities
+## Functionalities
 - You can zoom in and out of an image using the mouse wheel or a laptop track pad.
 - You can undo the last point pressing Ctrl/Cmd+Z
 - You can discard the last unsaved polygon pressing Esc