The following help page : https://helponline.libreoffice.org/6.2/en-US/text/swriter/guide/using_numbered_lists.html
refers to "Options" tab in paragraph "To Format Bullets". This tab name does not exist, the correct name is "Customize". See attached screencopy.
Steps to Reproduce:
1. open https://helponline.libreoffice.org/6.2/en-US/text/swriter/guide/using_numbered_lists.html
2. check the paragraph "To Format Bullets"
the paragraph "To Format Bullets" talks about Options tab
the paragraph "To Format Bullets" talks about Customize tab.
User Profile Reset: No
Created attachment 151682 [details]
Bullets and Numbering dialog
I confirm it with
Version: 184.108.40.206.alpha1+ (x64)
Build ID: e92dcfdc7bd7b237e0bee26ff226a102d9e8e766
CPU threads: 4; OS: Windows 10.0; UI render: GL; VCL: win;
TinderBox: Win-x86_64@42, Branch:master, Time: 2019-05-14_00:00:57
Locale: en-US (de_DE); UI-Language: en-US