Update say.md
Update say.md

Added **my** most commonly used command (and one of the least obvious in the man page).

WANG-lp/tldr,lord63-forks/tldr,katekyan/tldr,zoisom/tldr,kuanyui/tldr,ostera/tldr,Phizho/tldr,rubenvereecken/tldr,WANG-lp/tldr,igorshubovych/tldr,UncommonPleb/tldr,mshmoustafa/tldr,zoisom/tldr,danieldiekmeier/tldr,AgamAgarwal/tldr,Qtrain/tldr,UncommonPleb/tldr,Parth-Mehrotra/tldr,cptdeka10/tldr,jeremyruppel/tldr,UncommonPleb/tldr,Phizho/tldr,rubenvereecken/tldr,deekim/tldr,deekim/tldr,ArturSkowronski/tldr,cdminigun/tldr,NegaMorgan/tldr,igorshubovych/tldr,felixonmars/tldr,WALL-E/tldr,katekyan/tldr,felixonmars/tldr,davidsiefert/tldr,Qtrain/tldr,cdminigun/tldr,Parth-Mehrotra/tldr,felixonmars/tldr,danieldiekmeier/tldr,e0i/tldr,cptdeka10/tldr,AgamAgarwal/tldr,ostera/tldr,bradparks/tldr,davidsiefert/tldr,mshmoustafa/tldr,jeremyruppel/tldr,slash3b/tldr,cptdeka10/tldr,kuanyui/tldr,ArturSkowronski/tldr,slash3b/tldr,deekim/tldr,zoisom/tldr,bradparks/tldr,Phizho/tldr,WALL-E/tldr,katekyan/tldr,e0i/tldr,NegaMorgan/tldr,slash3b/tldr,lord63-forks/tldr