Bug 197318 - No help content for Link Prefetching option. r=rlk@trfenv.com patch by Daniel Wang (stolenclover@yahoo.com.tw)

suite/locales/en-US/chrome/common/help/cs_nav_prefs_advanced.xhtml

@@ -161,20 +161,16 @@ Different File Types</a>.</p>
 <p>The Cache preferences panel allows you to adjust the Mozilla memory and disk 
   cache:</p>
 <ul>
-<li><b>Memory Cache: </b>Type in the amount of memory-based cache you want to 
+<li><b>Cache</b>: Type in the amount of disk cache you want to allocate 
-allocate for Mozilla. Memory cache is erased when you turn off or restart the 
-computer.</li>
-<li><b> Disk Cache</b>: Type in the amount of disk cache you want to allocate 
 for Mozilla. Disk cache is saved to your hard disk (drive) and can be used again 
 even if you have turned your computer off.</li>
-<li><b>Disk Cache Folder</b>: Shows the current location of the disk cache folder 
+<li><b>Clear Cache</b>: Click this to clear the disk cache.</li>
+<li><b>Cache Folder</b>: Shows the current location of the disk cache folder 
 <ul>
 <li><b>Choose Folder</b>: Click this to choose a folder location for the disk 
 cache. </li>
 </ul>
 </li>
-<li><b>Clear Memory Cache: </b>Click this to clear the memory cache.</li>
-<li><b>Clear Disk Cache</b>: Click this to clear the disk cache.</li>
 <li><b>Compare the page in the cache to the page on the network:</b> 
 <ul>
 <li><b>Every time I view the page</b>: Select this if you want Mozilla to compare 
@@ -188,6 +184,10 @@ page to the cache once for each time you start Mozilla.</li>
 to the network.</li>
 </ul>
 </li>
+<li><b>Prefetch web pages when idle, so that links in web pages designed
+    for prefetching can load faster</b>:
+    Select this to decrease the time it takes to load web pages when you
+    click a link in a web page that uses prefetching.</li>
 </ul>
 <p>&nbsp;</p>