Update README.md

README.md

@@ -4,10 +4,9 @@ To run this code:
 * Open and run `annotation_example.m`. This will start the GUI on 5 images provided in `foci-annotator/data_folder`.
 
 To annotate images:
-* Arrows are used to change images.
+* Left-right arrows are used to change images.
+* Up-down arrows are used to change radius.
 * Clicking adds annotations.
+* Shift-d allows deleting one annotation by clicking close to it.
+* Zooming and panning works as normal in matlab, but must be exited to continue adding annotations.
 * S saves annotations as a `.mat` file and a `.txt` file. NOTE: previously saved files will be overwritten.
-
-Todos:
-* Add functionality for changing annotation radius.
-* Add functionality for removing an annotation.