--- a/accessible/public/nsIAccessibleEditableText.idl
+++ b/accessible/public/nsIAccessibleEditableText.idl
@@ -46,17 +46,17 @@ interface nsIEditor;
 [scriptable, uuid(1e9884d3-4017-4032-a121-e0185d166db5)]
 interface nsIAccessibleEditableText : nsISupports
 {
   /**
    * Sets the attributes for the text between the two given indices. The old
    * attributes are replaced by the new list of attributes. For example,
    * sets font styles, such as italic, bold...
    *
-   *  @param startPos - start index of the text whose attributes are modified.
+   * @param startPos - start index of the text whose attributes are modified.
    * @param endPos - end index of the text whose attributes are modified.
    * @param attributes - set of attributes that replaces the old list of
    *                     attributes of the specified text portion.
    */
   void setAttributes (in long startPos, in long endPos,
                       in nsISupports attributes);
 
   /**