improve: Tweak Help

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

Author: kingthorin

src/main/javahelp/help/contents/intro.html

@@ -10,10 +10,11 @@
 <H1>Neonmarker</H1>
 Neonmarker addon, which colours History table entries based on tags.
 
-The following code example shows how to add a Neonmarker colorMapping via JavaScript within Zaproxy.
+The following code example shows how to add a Neonmarker colorMapping via JavaScript within ZAP using a Stand Alone script.
 
 <code>extNeon = org.parosproxy.paros.control.Control.getSingleton().getExtensionLoader().getExtension(org.zaproxy.zap.extension.neonmarker.ExtensionNeonmarker.NAME);
 
+// History items tagged “Comment” will be red
 extNeon.addColorMapping("Comment", 0x990000);</code>
 
 </BODY>