editorial: typo, comformance -> conformance (#2446)

Author: giacomo-petri

core-aam/index.html

@@ -576,7 +576,7 @@ <h2>General rules</h2>
           <h2>Computed Role</h2>
           <p>
             The `computedrole` of an element is a string that represents the role of the element as computed by the browser engine. The `computedrole` is used primarily for the purposes of developer
-            tools and specification comformance and interoperability testing.
+            tools and specification conformance and interoperability testing.
           </p>
           <p class="note">
             User agents provide this role string, for example, in developer tools, and in response to the WebDriver function