diff --git a/index.html b/index.html
index 0efcd2c..aa35bab 100644
--- a/index.html
+++ b/index.html
@@ -169,6 +169,9 @@
                 <code class="code">AAAA 2001:67c:1401:20f0::1</code><br>
                 + <code class="code">TXT</code> as above
               </p>
+              <p>
+                Note: If you are accessing a custom branch name that contains <code class="code">/</code> characters, the <code class="code">/</code> characters need to be replaced to <code class="code">~</code>.
+              </p>
             </div>
           </div>
         </div>