diff --git a/client/index.html b/client/index.html
index 86b813a..673e4af 100644
--- a/client/index.html
+++ b/client/index.html
@@ -141,6 +141,8 @@
             </div>
             <div class="col-12">
                 <button type="button" data-msg='{"type":"keys","value":"win,z"}' class="btn btn-secondary">win+z</button>
+                <button type="button" data-msg='{"type":"keys","value":"win,x"}' class="btn btn-secondary">win+x</button>
+                <button type="button" data-msg='{"type":"keys","value":"win,c"}' class="btn btn-secondary">win+c</button>
                 <button type="button" data-msg='{"type":"messages","value":[{"type":"text","value":"zp"},{"type":"key","value":"enter"}]}' class="btn btn-secondary">zp</button>
                 <button type="button" data-msg='{"type":"messages","value":[{"type":"text","value":"zm"},{"type":"key","value":"enter"}]}' class="btn btn-secondary">zm</button>
             </div>