Fix placeholder doc link

e60d818a889e413196ae89cccda178217613f562

Cohee <18619528+Cohee1207@users.noreply.github.com>

public/index.html+1 -1 Viewed

                             <h4 class="standoutHeader title_restorable justifySpaceBetween">
                                 <div class="flex-container">
                                     <span data-i18n="System Prompt">System Prompt</span>
                                     <a href="https://docs.sillytavern.app/usage/core-concepts/advancedformatting/#system-prompt" class="notes-link" target="_blank">
                                         <span class="fa-solid fa-circle-question note-link-span"></span>
                                     </a>
                                 </div>