diff --git a/inc/parser/parser.php b/inc/parser/parser.php
index 435b8aa460c4a34a96d67df0e87480228754a6e5..20f0e6ca3b1057e3743f2cba290b0c3bd5643ca0 100644
--- a/inc/parser/parser.php
+++ b/inc/parser/parser.php
@@ -298,6 +298,10 @@ class Doku_Parser_Mode_hr extends Doku_Parser_Mode {
 }
 
 //-------------------------------------------------------------------
+/**
+ * This class sets the markup for bold (=strong),
+ * italic (=emphasis), underline etc.
+ */
 class Doku_Parser_Mode_formatting extends Doku_Parser_Mode {
     var $type;