Add aria-description (#61)

Resolves issue #60

index.html

@@ -2574,6 +2574,25 @@ <h4>Not Mapped</h4>
 					<span class="seealso">See also: <a href="#mapping_additional_nd">Name Computation</a></span>
 				</td>
 			</tr>
+			<tr id="ariaDescription">
+				<th><a class="property-reference" href="#aria-description"><code>aria-description</code></a></th>
+				<td class="attr-msaa-ia2">
+					<span class="property">Property: <code>accDescription</code>: <code>&lt;value&gt;</code></span><br />
+					<span class="seealso">See also: <a href="#mapping_additional_nd">Name Computation</a></span>
+				</td>
+				<td class="attr-uia">
+					<span class="property">Property: <code>FullDescription</code>: <code>&lt;value&gt;</code></span><br />
+					<span class="seealso">See also: <a href="#mapping_additional_nd">Name Computation</a></span>
+				</td>
+				<td class="attr-atk">
+					<span class="property">Property: <code>Description</code>: <code>&lt;value&gt;</code></span><br />
+					<span class="seealso">See also: <a href="#mapping_additional_nd">Name Computation</a></span>
+				</td>
+				<td class="attr-axapi">
+					<span class="property">Property: <code>AXHelp</code>: <code>&lt;value&gt;</code></span><br />
+					<span class="seealso">See also: <a href="#mapping_additional_nd">Name Computation</a></span>
+				</td>
+			</tr>
 			<tr id="ariaDetails">
 				<th><a class="property-reference" href="#aria-details"><code>aria-details</code></a></th>
 				<td class="attr-msaa-ia2">