documenting the partial kernel feature

Linux_Exploit_Suggester.pl

@@ -68,11 +68,17 @@ sub get_kernel {
 }
 
 sub usage {
-    print "Linux Exploit Suggester $VERSION\n"
-        . "Usage: \t$0  [-h] [-k kernel]\n"
-        . "\t[-h] help (this message)\n"
-        . "\t[-k] kernel number eg. 2.6.28\n"
-        ;
+    print <<"EOUSAGE";
+Linux Exploit Suggester $VERSION
+Usage: \t$0  [-h] [-k kernel]
+
+[-h] help (this message)
+[-k] kernel number eg. 2.6.28
+
+You can also provide a partial kernel version (eg. 2.4)
+to see all exploits available.
+
+EOUSAGE
 }
 
 sub get_exploits {
@@ -476,6 +482,9 @@ This perl script will enumerate the possible exploits available for a given kern
 	[-h] help
 	[-k] kernel Eg. 2.6.28 
 
+You can also provide a partial kernel version (eg. 2.4)
+to see all exploits available.
+
 =head1 AUTHOR
 
 Andy (c) 10-07-2009