Update EDITORS.md

Co-authored-by: Vincent Biret <[email protected]>

Author: lornajane

EDITORS.md

@@ -4,7 +4,7 @@
 
 * Henry Andrews [@handrews](https://github.com/handrews)
 * Jeremy Whitlock [@whitlockjc](https://github.com/whitlockjc)
-* Karen Etheridge [karenetheridge](https://github.com/karenetheridge)
+* Karen Etheridge [@karenetheridge](https://github.com/karenetheridge)
 * Lorna Mitchell [@lornajane](https://github.com/lornajane)
 * Marsh Gardiner [@earth2marsh](https://github.com/earth2marsh)
 * Miguel Quintero [@miqui](https://github.com/miqui)