diff --git a/libraries/Index.class.php b/libraries/Index.class.php
index 276866e136..630dc55fea 100644
--- a/libraries/Index.class.php
+++ b/libraries/Index.class.php
@@ -400,7 +400,9 @@ class PMA_Index
                 continue;
             }
             $html_options .= '<option value="' . $each_index_choice . '"'
-                 . (($this->_choice == $each_index_choice) ? ' selected="selected"' : '')
+                 . (($this->_choice == $each_index_choice)
+                 ? ' selected="selected"' 
+                 : '')
                  . '>'. $each_index_choice . '</option>' . "\n";
         }
 
@@ -891,6 +893,12 @@ class PMA_Index_Column
         return $this->_seq_in_index;
     }
 
+    /**
+     * Returns the number of indexed characters if the column is only 
+     * partly indexed
+     *
+     * @return int the number of indexed characters 
+     */
     public function getSubPart()
     {
         return $this->_sub_part;