-N.B.: If you want to have just the name of the modifier key by itself, use
-<kbd class="mod1>‌</kbd> (zero-width non-joiner).
+Multiple modifier keys are supported as "modNM" as well, so for Ctrl-Shift-N on Linux, you would use "mod13".
+
+N.B.: If you want to have just the name of the modifier key by itself, use the
+ modN name followed by a lower case "n", like so: <kbd class="mod1n></kbd>