Your comments

Thanks for this solution
Tried it and it works. Great!!

Do i need to mark the thread as "closed", "solved" or something like that? i don't see any option doing that

thanks for yout reply :
"I am guessing you would like it to be alphabetic instead?" -- yes, and i would like it to stay ordered alphabetically even if i logout and login again or if i switch between other location (actually, the sort order is reseted by "number of files per tag" when i go to MY FILES location and go back to PHOTOS > BY TAG)

N.B : sorry for my broken english, i don't speak fluently this language.