Fix about file and help text errors

Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

src/licensedcode/static/jquery.mark-8.11.1.min.js.ABOUT

@@ -1,11 +1,16 @@
 about_resource: jquery.mark-8.11.1.min.js
+name: mark.js
+version: 8.11.1
 download_url: https://github.com/julmot/mark.js/archive/8.11.1.zip
 description: JavaScript keyword highlighting. Mark text with with options that fit every application.
   Also available as jQuery plugin.
 homepage_url: https://markjs.io/
+package_url: pkg:github/julmot/mark.js@8.11.1
 license_expression: mit
 copyright: Copyright (c) 2014–2019 Julian Kühnel
 attribute: yes
+checksum_md5: 76d6fc6f1108d931aea314962a58b444
+checksum_sha1: c52b2e00f8d7430829e7018dd5078937b16df696
 licenses:
   - key: mit
     name: MIT License

tests/scancode/data/help/help.txt

@@ -158,6 +158,10 @@ Options:
                              scan depth limit.
 
   miscellaneous:
+    --get-license-data DIR          Include this directory with additional custom
+                                    licenses and license rules in the license
+                                    detection index. Creates the directory if it
+                                    does not exist.
     --reindex-licenses              Rebuild the license index and exit.
     --reindex-licenses-for-all-languages
                                     [EXPERIMENTAL] Rebuild the license index