config: more tweaks

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

coreutils/echo.c

@@ -19,10 +19,10 @@
  *    The previous version did not allow 4-digit octals.
  */
 //config:config ECHO
-//config:	bool "echo (basic SuSv3 version taking no options)"
+//config:	bool "echo (1.8 kb)"
 //config:	default y
 //config:	help
-//config:	echo is used to print a specified string to stdout.
+//config:	echo prints a specified string to stdout.
 //config:
 //config:# this entry also appears in shell/Config.in, next to the echo builtin
 //config:config FEATURE_FANCY_ECHO