Update UserGuide.md

removing double -- and replacing with single - in Userguide table of contents link

docs/UserGuide.md

@@ -6,19 +6,19 @@ Insurahub is a **desktop app for managing clients, optimized for use via a Comma
 
 1. [Quick Start](#quick-start)
 2. [Features](#features)
-   1. [Viewing help](#viewing-help--help)
+   1. [Viewing help](#viewing-help-help)
    2. [Adding a new client](#adding-a-new-client-add)
-   3. [Listing all clients](#listing-all-clients--list)
-   4. [Edit a client](#editing-a-client--edit)
+   3. [Listing all clients](#listing-all-clients-list)
+   4. [Edit a client](#editing-a-client-edit)
    5. [Locating clients by name](#locating-clients-by-name-find)
-   6. [Deleting a client](#deleting-a-client--delete)
-   7. [Clearing all entries](#clearing-all-entries--clear)
-   8. [Filtering a client via tags](#filtering-for-clients-via-tag--filter)
-   9. [Adding a policy to a client](#adding-a-policy-to-a-client--addpolicy)
-   10. [Removing a policy from a client](#removing-a-policy-from-a-client--removepolicy)
+   6. [Deleting a client](#deleting-a-client-delete)
+   7. [Clearing all entries](#clearing-all-entries-clear)
+   8. [Filtering a client via tags](#filtering-for-clients-via-tag-filter)
+   9. [Adding a policy to a client](#adding-a-policy-to-a-client-addpolicy)
+   10. [Removing a policy from a client](#removing-a-policy-from-a-client-removepolicy)
    11. [Viewing policy from a client](#viewing-policy-of-a-client-viewpolicy)
    12. [Adding a client preferred contact](#adding-a-client-preferred-contact-preferredcontact)
-   13. [Exiting the program](#exiting-the-program--exit)
+   13. [Exiting the program](#exiting-the-program-exit)
    14. [Adding tags to clients](#adding-tags-to-a-client-object-addtag)
    15. [Deleting tags from clients](#deleting-tags-from-a-client-object-deletetag)
    16. [Storing client documents](#storing-documents-of-a-client-file)