diff --git a/customize.html b/customize.html
index ea589058e4..866ce83f5a 100644
--- a/customize.html
+++ b/customize.html
@@ -660,7 +660,7 @@ base_url: "../"
     </div>
 
     <h2 id="variables-alerts">Alerts</h2>
-    <p>Define alert colors, border radius and padding.</p>
+    <p>Define alert colors, border radius, and padding.</p>
     <h4>Border radius</h4>
     <label>@alert-padding</label>
     <input type="text" class="form-control" placeholder="15px">