Edit.md

@@ -54,6 +54,13 @@ Complete list of Napari label layer shortcuts (From File>Preferences>Shortcuts):
 
 # Edit segmentation on several time frames
 
+## Merge tracks temporally
+
+To link two cells that have not been correctly tracked as one, :round_pushpin: **press <kbd>e</kbd> to activate the temporally merge mode**. **Click left** on the cell that should be the last one of its track. EpiCure will directly move to the next frame. **Click right** on the corresponding cell. The two tracks will be merged as one.
+
+If you select cells that are not the last or first one of their tracks, or if the two clicked cells are not in consecutive frames, EpiCure will refuse to merge them and quit the track merging mode.
+
+
 ## Manual tracking edition
 
 :round_pushpin:  **Press <kbd>t</kbd> to go into manual tracking mode** (a message should appear when you enter this mode).