diff --git a/public/views/index/body.ejs b/public/views/index/body.ejs
index 0caa923..e0b4a4e 100644
--- a/public/views/index/body.ejs
+++ b/public/views/index/body.ejs
@@ -154,7 +154,7 @@
                         <%- __('Powered by %s', '<a href="https://codimd.org">CodiMD</a>') %> | <a href="<%- serverURL %>/s/release-notes" target="_blank" rel="noopener"><%= __('Releases') %></a> | <a href="<%- sourceURL %>" target="_blank" rel="noopener"><%= __('Source Code') %></a><% if(privacyStatement) { %> | <a href="<%- serverURL %>/s/privacy" target="_blank" rel="noopener"><%= __('Privacy') %></a><% } %><% if(termsOfUse) { %> | <a href="<%- serverURL %>/s/terms-of-use" target="_blank" rel="noopener"><%= __('Terms of Use') %></a><% } %>
                     </p>
                     <h6 class="social-foot">
-                        <%- __('Follow us on %s and %s.', '<a href="https://github.com/codimd/server" target="_blank" rel="noopener"><i class="fa fa-github"></i> GitHub</a>, <a href="https://riot.im/app/#/room/#codimd:matrix.org" target="_blank" rel="noopener"><i class="fa fa-comments"></i> Riot</a>', '<a href="https://translate.codimd.org" target="_blank" rel="noopener"><i class="fa fa-globe"></i> POEditor</a>') %>
+                        <%- __('Follow us on %s and %s.', '<a href="https://github.com/codimd/server" target="_blank" rel="noopener"><i class="fa fa-github"></i> GitHub</a>, <a href="https://riot.im/app/#/room/#codimd:matrix.org" target="_blank" rel="noopener"><i class="fa fa-comments"></i> Riot</a>', '<a href="https://social.codimd.org/mastodon" target="_blank" rel="noopener"><i class="fa fa-mastodon"></i> Mastodon</a>', '<a href="https://translate.codimd.org" target="_blank" rel="noopener"><i class="fa fa-globe"></i> POEditor</a>') %>
                     </h6>
                 </div>
             </div>