add legal link

index.html

@@ -36,11 +36,11 @@
       <br>
       <br>
       <label><input class="js-acme-account-tos" type="checkbox" required>
-        Agree to <a class="js-acme-tos-url" target="acme-tos">Let's Encrypt Terms of Service</a>?</label>
+        Agree to <a class="js-acme-tos-url" target="acme-tos">Let's Encrypt&trade; Terms of Service</a>?</label>
       <br>
       <br>
       <label><input class="js-greenlock-account-tos" type="checkbox" required>
-        Agree to <a class="js-gl-tos">Greenlock Terms of Service</a>?</label>
+        Agree to <a class="js-gl-tos" target="_blank" href="./legal.html">Greenlock&trade; Terms of Service</a>?</label>
       <br>
       <br>
       <!--