make/targets: fix typo in message
make/targets: fix typo in message

toonst/RIOT,jasonatran/RIOT,toonst/RIOT,mtausig/RIOT,ant9000/RIOT,ant9000/RIOT,smlng/RIOT,basilfx/RIOT,aeneby/RIOT,ant9000/RIOT,authmillenon/RIOT,yogo1212/RIOT,authmillenon/RIOT,ant9000/RIOT,OlegHahm/RIOT,smlng/RIOT,OlegHahm/RIOT,basilfx/RIOT,x3ro/RIOT,kaspar030/RIOT,kYc0o/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,x3ro/RIOT,kaspar030/RIOT,mtausig/RIOT,miri64/RIOT,authmillenon/RIOT,kaspar030/RIOT,josephnoir/RIOT,aeneby/RIOT,toonst/RIOT,x3ro/RIOT,basilfx/RIOT,jasonatran/RIOT,smlng/RIOT,aeneby/RIOT,kYc0o/RIOT,OTAkeys/RIOT,yogo1212/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,basilfx/RIOT,toonst/RIOT,authmillenon/RIOT,smlng/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,ant9000/RIOT,x3ro/RIOT,basilfx/RIOT,mtausig/RIOT,josephnoir/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,kYc0o/RIOT,jasonatran/RIOT,yogo1212/RIOT,mtausig/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,aeneby/RIOT,miri64/RIOT,yogo1212/RIOT,yogo1212/RIOT,OTAkeys/RIOT,authmillenon/RIOT,x3ro/RIOT,aeneby/RIOT,miri64/RIOT,yogo1212/RIOT,josephnoir/RIOT,josephnoir/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,jasonatran/RIOT,authmillenon/RIOT,miri64/RIOT,kaspar030/RIOT,kYc0o/RIOT,smlng/RIOT,toonst/RIOT,mtausig/RIOT,miri64/RIOT,OTAkeys/RIOT,josephnoir/RIOT