1 files changed, 10 insertions, 7 deletions
diff --git a/fatfs/doc/en/rename.html b/fatfs/doc/en/rename.html
index 2593e89..10cb4fd 100644
--- a/fatfs/doc/en/rename.html
+++ b/fatfs/doc/en/rename.html
@@ -13,7 +13,7 @@
 
 <div class="para func">
 <h2>f_rename</h2>
-<p>Renames a file or sub-directory.</p>
+<p>The f_rename function renames and/or moves a file or sub-directory.</p>
 <pre>
 FRESULT f_rename (
   const TCHAR* <span class="arg">old_name</span>, <span class="c">/* [IN] Old object name */</span>
@@ -26,9 +26,9 @@ FRESULT f_rename (
 <h4>Parameters</h4>
 <dl class="par">
 <dt>old_name</dt>
-<dd>Pointer to a null-terminated string that specifies an existing <a href="filename.html">file or sub-directory</a> to be renamed.</dd>
+<dd>Pointer to a null-terminated string that specifies the existing <a href="filename.html">file or sub-directory</a> to be renamed.</dd>
 <dt>new_name</dt>
-<dd>Pointer to a null-terminated string that specifies the new object name. The drive number specified in this string is ignored and one determined by <tt class="arg">old_name</tt> is used instead.</dd>
+<dd>Pointer to a null-terminated string that specifies the new object name. A drive number may be specified in this string but it is ignored and assumed as the same drive of the <tt class="arg">old_name</tt>. Any object with this path name except <tt class="arg">old_name</tt> must not be exist, or the function fails with <tt>FR_EXIST</tt>.</dd>
 </dl>
 </div>
 
@@ -58,7 +58,7 @@ FRESULT f_rename (
 
 <div class="para desc">
 <h4>Description</h4>
-<p>Renames a file or sub-directory and can also move it to other directory within the same logical drive. <em>Do not rename open objects</em> or directry table can be broken.</p>
+<p>Renames a file or sub-directory and can also move it to other directory in the same volume. The object to be renamed must not be an open object, or <em>the FAT volume can be collapsed</em>. Such the wrong operation is rejected safely when <a href="appnote.html#dup">file lock function</a> is enabled.</p>
 </div>
 
 
@@ -71,11 +71,14 @@ FRESULT f_rename (
 <div class="para use">
 <h4>Example</h4>
 <pre>
-    <span class="c">/* Rename an object */</span>
+    <span class="c">/* Rename an object in the default drive */</span>
     f_rename("oldname.txt", "newname.txt");
 
-    <span class="c">/* Rename and move an object to other directory */</span>
-    f_rename("oldname.txt", "dir1/newname.txt");
+    <span class="c">/* Rename an object in the drive 2 */</span>
+    f_rename("2:oldname.txt", "newname.txt");
+
+    <span class="c">/* Rename an object and move it to other directory in the volume */</span>
+    f_rename("log.txt", "old/log0001.txt");
 </pre>
 </div>