Index: wp-admin/includes/class-pclzip.php
===================================================================
--- wp-admin/includes/class-pclzip.php	(revision 46855)
+++ wp-admin/includes/class-pclzip.php	(working copy)
@@ -34,7 +34,7 @@
   // In version 1.x of PclZip, the separator for file list is a space
   // (which is not a very smart choice, specifically for windows paths !).
   // A better separator should be a comma (,). This constant gives you the
-  // abilty to change that.
+  // ability to change that.
   // However notice that changing this value, may have impact on existing
   // scripts, using space separated filenames.
   // Recommanded values for compatibility with older versions :
@@ -68,7 +68,7 @@
 
   // ----- Optional threshold ratio for use of temporary files
   //       Pclzip sense the size of the file to add/extract and decide to
-  //       use or not temporary file. The algorythm is looking for
+  //       use or not temporary file. The algorithm is looking for
   //       memory_limit of PHP and apply a ratio.
   //       threshold = memory_limit * ratio.
   //       Recommended values are under 0.5. Default 0.47.
@@ -682,7 +682,7 @@
   //   By default, if a newer file with the same name already exists, the
   //   file is not extracted.
   //
-  //   If both PCLZIP_OPT_PATH and PCLZIP_OPT_ADD_PATH aoptions
+  //   If both PCLZIP_OPT_PATH and PCLZIP_OPT_ADD_PATH options
   //   are used, the path indicated in PCLZIP_OPT_ADD_PATH is append
   //   at the end of the path value of PCLZIP_OPT_PATH.
   // Parameters :
@@ -1064,7 +1064,7 @@
   // Function : deleteByIndex()
   // Description :
   //   ***** Deprecated *****
-  //   delete(PCLZIP_OPT_BY_INDEX, $p_index) should be prefered.
+  //   delete(PCLZIP_OPT_BY_INDEX, $p_index) should be preferred.
   // --------------------------------------------------------------------------------
   function deleteByIndex($p_index)
   {
@@ -1391,7 +1391,7 @@
       return(false);
     }
 
-    // ----- Check that the file is readeable
+    // ----- Check that the file is readable
     if (!is_readable($this->zipname)) {
       // ----- Error log
       PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to read archive '".$this->zipname."'");
@@ -1698,7 +1698,7 @@
               if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) {
                   $v_sort_flag=true;
 
-                  // ----- TBC : An automatic sort should be writen ...
+                  // ----- TBC : An automatic sort should be written ...
                   // ----- Error log
                   PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Invalid order of index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");
 
@@ -2201,7 +2201,7 @@
     // ----- Go to beginning of File
     @rewind($this->zip_fd);
 
-    // ----- Creates a temporay file
+    // ----- Creates a temporary file
     $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
 
     // ----- Open the temporary file in write mode
@@ -2391,7 +2391,7 @@
   // Function : privAddList()
   // Description :
   //   $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
-  //   different from the real path of the file. This is usefull if you want to have PclTar
+  //   different from the real path of the file. This is useful if you want to have PclTar
   //   running in any directory, and memorize relative path from an other directory.
   // Parameters :
   //   $p_list : An array containing the file or directory names to add in the tar
@@ -2946,7 +2946,7 @@
     else {
 
       // ----- Look for short name change
-      // Its when we cahnge just the filename but not the path
+      // Its when we change just the filename but not the path
       if (isset($p_filedescr['new_short_name'])) {
         $v_path_info = pathinfo($p_filename);
         $v_dir = '';
@@ -4824,7 +4824,7 @@
     // ----- Look if something need to be deleted
     if ($v_nb_extracted > 0) {
 
-        // ----- Creates a temporay file
+        // ----- Creates a temporary file
         $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
 
         // ----- Creates a temporary zip archive
@@ -5108,7 +5108,7 @@
     // ----- Go to beginning of File
     @rewind($p_archive_to_add->zip_fd);
 
-    // ----- Creates a temporay file
+    // ----- Creates a temporary file
     $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
 
     // ----- Open the temporary file in write mode