Explain configuration options more completely.

Configure

@@ -10,7 +10,7 @@ use strict;
 
 # see INSTALL for instructions.
 
-my $usage="Usage: Configure [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [rsaref] [no-threads] [no-asm] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] os/compiler[:flags]\n";
+my $usage="Usage: Configure [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [rsaref] [no-threads] [no-asm]  [no-<cipher> ...] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] os/compiler[:flags]\n";
 
 # Options:
 #

INSTALL

@@ -33,7 +33,8 @@
  Configuration Options
  ---------------------
 
- There are several options to ./config to customize the build:
+ There are several options to ./config (or ./Configure) to customize
+ the build:
 
   --prefix=DIR  Install in DIR/bin, DIR/lib, DIR/include/openssl.
 	        Configuration files used by OpenSSL will be in DIR/ssl