*: more --help tweaks

function                                             old     new   delta
packed_usage                                       33552   33541     -11

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

miscutils/bc.c

@@ -108,7 +108,7 @@
 
 //See www.gnu.org/software/bc/manual/bc.html
 //usage:#define bc_trivial_usage
-//usage:       "[-sqlw] [FILE...]"
+//usage:       "[-sqlw] [FILE]..."
 //usage:
 //usage:#define bc_full_usage "\n"
 //usage:     "\nArbitrary precision calculator"

miscutils/chat.c

@@ -79,7 +79,7 @@
 //kbuild:lib-$(CONFIG_CHAT) += chat.o
 
 //usage:#define chat_trivial_usage
-//usage:       "EXPECT [SEND [EXPECT [SEND...]]]"
+//usage:       "EXPECT [SEND [EXPECT [SEND]]...]"
 //usage:#define chat_full_usage "\n\n"
 //usage:       "Useful for interacting with a modem connected to stdin/stdout.\n"
 //usage:       "A script consists of \"expect-send\" argument pairs.\n"

miscutils/ubi_tools.c

@@ -251,7 +251,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
 	} else
 
 //usage:#define ubirmvol_trivial_usage
-//usage:       "-n VOLID / -N VOLNAME UBI_DEVICE"
+//usage:       "-n VOLID | -N VOLNAME UBI_DEVICE"
 //usage:#define ubirmvol_full_usage "\n\n"
 //usage:       "Remove UBI volume\n"
 //usage:     "\n	-n VOLID	Volume ID"