Fix sourceforge download links

Author: mokun

index.html

@@ -456,34 +456,33 @@ <h2>Download</h2>
 								<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.1/">
 								<img alt="Download Mars Simulation Project" src="https://a.fsdn.com/con/app/sf-download-button"></a>
  								<ul>
-									<li>1. Swing Jar
-									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/official%20release/">
-									<i class="fa fa-linux fa-fw"> Swing Jar</i></a></li>
+									<li>&nbsp;&nbsp;&nbsp;1.&nbsp; 
+									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.1/3.1.1_swing_java14.jar.7z/download">
+									<i class="fa fa-linux fa-fw">Swing Jar</i></a></li>
 
-									<li>2. Headless Jar
-									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/official%20release/">
-									<i class="fa fa-linux fa-fw"> Headless Jar</i></a></li>
+									<li>&nbsp;&nbsp;&nbsp;2.&nbsp; 
+									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.1/3.1.1_headless_java14.jar.7z/download">
+									<i class="fa fa-linux fa-fw">Headless Jar</i></a></li>
 
-									<li>3. Swing Debian
-									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/official%20release/">
-									<i class="fa fa-linux fa-fw">   Other editions</i></a></li>
+									<li>&nbsp;&nbsp;&nbsp;3.&nbsp;
+									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.1/3.1.1_swing_java14.deb/download">
+									<i class="fa fa-linux fa-fw">Swing Debian</i></a></li>
 
-									<li>4. Headless Debian
-									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/official%20release/">
-									<i class="fa fa-linux fa-fw">   Other editions</i></a></li>
+									<li>&nbsp;&nbsp;&nbsp;4.&nbsp; 
+									<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.1/3.1.1_headless_java14.deb/download">
+									<i class="fa fa-linux fa-fw">Headless Debian</i></a></li>
 								</ul>
 
 								<li>B. Alternatively, we may want to check out the latest build at the GitHub release tab here : 
 								<a href="https://github.com/mars-sim/mars-sim/releases" rel="nofollow">	
 								<i class="fa fa-linux fa-fw">   7zip jar</i></a></li>
 
-							
+							 	<li>C. Also, you may download this old <a href="http://mars-sim.sourceforge.net/guide/msp_userguide.pdf">v3.06 User Guide</a>
+								as a reference.
 
 
 							  </ul>
 
-							<p> Also, you may download this old version (v3.06) of <a href="http://mars-sim.sourceforge.net/guide/msp_userguide.pdf">User Guide</a>
-								as a reference.