diff --git a/examples/combobox/aria1.0pattern/combobox-autocomplete-both.html b/examples/combobox/aria1.0pattern/combobox-autocomplete-both.html
index fd4e253b95..4b988efb88 100644
--- a/examples/combobox/aria1.0pattern/combobox-autocomplete-both.html
+++ b/examples/combobox/aria1.0pattern/combobox-autocomplete-both.html
@@ -93,7 +93,7 @@ <h2 id="ex_label">Example</h2>
             <li id="lb1-mn" role="option">Minnesota</li>
             <li id="lb1-ms" role="option">Mississippi</li>
             <li id="lb1-mo" role="option">Missouri</li>
-            <li id="lb1-mn" role="option">Montana</li>
+            <li id="lb1-mt" role="option">Montana</li>
             <li id="lb1-ne" role="option">Nebraska</li>
             <li id="lb1-nv" role="option">Nevada</li>
             <li id="lb1-nh" role="option">New Hampshire</li>
diff --git a/examples/combobox/aria1.0pattern/combobox-autocomplete-list.html b/examples/combobox/aria1.0pattern/combobox-autocomplete-list.html
index 0351bb82ea..b6e002ac08 100644
--- a/examples/combobox/aria1.0pattern/combobox-autocomplete-list.html
+++ b/examples/combobox/aria1.0pattern/combobox-autocomplete-list.html
@@ -92,7 +92,7 @@ <h2 id="ex_label">Example</h2>
             <li id="lb1-mn" role="option">Minnesota</li>
             <li id="lb1-ms" role="option">Mississippi</li>
             <li id="lb1-mo" role="option">Missouri</li>
-            <li id="lb1-mn" role="option">Montana</li>
+            <li id="lb1-mt" role="option">Montana</li>
             <li id="lb1-ne" role="option">Nebraska</li>
             <li id="lb1-nv" role="option">Nevada</li>
             <li id="lb1-nh" role="option">New Hampshire</li>