Update documentation for Changed Files Dialog

Signed-off-by: Sup Yut Sum <[email protected]>

doc/source/en/TortoiseGit/tsvn_dug/dug_diff.xml

@@ -250,17 +250,36 @@
 				<title>The Compare Revisions Dialog</title>
 				<graphic fileref="../images/CompareRevisions.png"/>
 			</figure>
-			When you select two commits within the log dialog, or you can
+			In log dialog, when you select two commits
 			<menuchoice>
 				<guimenu>Context menu</guimenu>
+				<guimenuitem>Compare revisions</guimenuitem>
+			</menuchoice>
+			, or when you select a commit
+			<menuchoice>
+				<guimenu>Context menu</guimenu>
+				<guimenuitem>Compare with previous version / Compare with working tree</guimenuitem>
+			</menuchoice>
+			; or in Windows Explorer, when you select no files
+			<menuchoice>
+				<guimenu>TortoiseGit context menu</guimenu>
 				<guimenuitem>Diff with previous version</guimenuitem>
-			</menuchoice>.
+			</menuchoice>
+			, Compare Revisions Dialog shows.
 		</para>
 		<para>
 			This dialog shows a list of all files which have changed and allows
 			you to compare them individually using context menu.
 		</para>
-		<!--
+		<para>
+			You can Revert selected files to version 1 or version 2.
+			There are 2 menu items for this purpose.
+			<menuchoice>
+				<guimenu>Context menu</guimenu>
+				<guimenuitem>Revert to revision xxxxxxx / Revert to revision yyyyyyy</guimenuitem>
+			</menuchoice>
+			where xxxxxxx is revision 1 short hash and yyyyyyy revision is 2 short hash.
+		</para>
 		<para>
 			You can export a <emphasis>change tree</emphasis>, which is useful
 			if you need to send someone else your project tree structure, but
@@ -274,7 +293,6 @@
 			</menuchoice>.
 			You will be prompted for a location to save the change tree.
 		</para>
-		-->
 		<para>
 			You can also export the <emphasis>list</emphasis> of changed files
 			to a text file using