Tweak ascan input vector help

Following core changes and slack discussion.

Signed-off-by: kingthorin <kingthorin@users.noreply.github.com>

Author: kingthorin

addOns/help/src/main/javahelp/contents/ui/dialogs/options/ascaninput.html

@@ -12,6 +12,7 @@ <H1>Options Active Scan Input Vectors screen</H1>
 This screen allows you to configure the <a href="../../../start/features/ascan.html">active scan</a> input vectors.<br>
 These are the elements that the active scanner will attack.<br>
 Scanning all of the elements supported will take longer, but not scanning some elements may cause some vulnerabilities to be missed.
+The default options attempt to balance this speed versus coverage concern.
 
 <H3>Injectable Targets</H3>
 The request elements that the active scanner will target: