Editorial: Fix markup in DOMException section.

Author: Ms2ger

index.bs

@@ -13866,8 +13866,8 @@ Their [=serialization steps=], given <var>value</var> and <var>serialized</var>,
 Their [=deserialization steps=], given <var>value</var> and <var>serialized</var>, are:
 
 <ol>
-    <li><Set <var>value</var>'s [=DOMException/name=] to <var>serialized</var>.\[[Name]].</li>
-    <li><Set <var>value</var>'s [=DOMException/message=] to <var>serialized</var>.\[[Message]].</li>
+    <li>Set <var>value</var>'s [=DOMException/name=] to <var>serialized</var>.\[[Name]].</li>
+    <li>Set <var>value</var>'s [=DOMException/message=] to <var>serialized</var>.\[[Message]].</li>
     <li>If any other data is attached to <var>serialized</var>, then deserialize and attach it to
     <var>value</var>.</li>
 </ol>