* src/ls.c (usage): Tweak wording.
Using color to distinguish types of files is not enabled by default, or when\n\
--color=never is specified. With --color=auto, color codes are output only\n\
when standard output is connected to a terminal. The LS_COLORS environment\n\
-variable can change the default codes and can be set using dircolors command.\n\
+variable can change the settings. Use the dircolors command to set it.\n\
"), stdout);
fputs (_("\
\n\