diff --git a/web/templates/index.html b/web/templates/index.html
index aba8348..e1a21d5 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -325,6 +325,7 @@
           <div class="field">
             <label>Labels</label>
             <input name="label_count" type="number" min="2" value="6" required>
+            <span style="font-family:var(--f-mono);font-size:0.65rem;color:var(--muted)">(Labels minus one) should divide evenly into Major intervals for best appearance</span>
           </div>
         </div>
       </div>