reset: better --help text

function                                             old     new   delta
packed_usage                                       34175   34233     +58

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/console-tools/reset.c b/console-tools/reset.c
index 113bb5c..b3acf69 100644
--- a/console-tools/reset.c
+++ b/console-tools/reset.c
@@ -21,7 +21,7 @@
 //usage:#define reset_trivial_usage
 //usage:       ""
 //usage:#define reset_full_usage "\n\n"
-//usage:       "Reset the screen"
+//usage:       "Reset terminal (ESC codes) and termios (signals, buffering, echo)"
 
 /* "Standard" version of this tool is in ncurses package */