Update index.html

uncomment GH diff viewer instructions

stages/task-recent-changes/index.html

@@ -61,7 +61,7 @@ <h2>Instructions</h2>
 	  <li>Click the pathway image or title below to view the pathway at WikiPathways (classic). You will need to be logged in at WikiPathways.</li> 
 	  <li>Using the <b>History</b> tab, open the previous version in a new window to compare the two revisions. The edit comment entered by the author should indicate what aspects of the pathway were updated. </li> 
       	  <li>Updates to the layout of the pathway can be assessed by reviewing the pathway diagram; updates to other aspects of the pathway (i.e. description, datanode annotations, bibliography) can be assessed by comparing the relevant sections.</li>
-	   <!--<li>For pathway edits to approved pathways, you can also use GitHub's diff viewer to assess edits. Let's use <b>WP5424</b> as an example:</li>
+	  <li>For pathway edits to approved pathways, you can also use GitHub's diff viewer to assess edits. Let's use <b>WP5424</b> as an example:</li>
 			<ul>
 			<li>Navigate to the pathway page on WikiPathways.org, for example <a href="https://www.wikipathways.org/pathways/WP5424.html" target="_blank">https://www.wikipathways.org/pathways/WP5424.html</a>.</li> 
 			<li>In the <b>Activity</b> section under the pathway, click the <b>last edited</b> date badge. This will take you to the GitHub page listing <a href="https://github.com/wikipathways/wikipathways.github.io/commits/main/_pathways/WP5424.md" target="_blank">all commits</a> 
@@ -71,7 +71,7 @@ <h2>Instructions</h2>
 			<li>The diff viewer will highlight deletions in red and additions in green, with the parts that were deleted/added in darker shades.</li>
 			<li>For example, changes to References, Description and Annotations would be seen in the markdown (.md) file, and changes to the data node identifiers would be seen in the datanodes (.tsv) file.</li>
 			<img src="gh-diffview.png" width="900px">
-			</ul> -->
+			</ul>
 	<li>Evaluate the changes as follows: </li>
       		<ul>
 	       	<li>If the change is not valid, revert the edit in the <b>History</b> table. If unsure, start a discussion using the links in the <b>Talk</b> page.</li>