CTextBox: More precise function description

Note: 	In this context i noticed, it seems method getRenderWith()
	in Fontrender class returns wrong values with
	BOLD font types. It would be nice if anybody could
	verify this possible bug. If I see that correctly,
	we should fix this.

src/gui/widget/textbox.h

@@ -222,7 +222,7 @@ class CTextBox : public sigc::trackable
 		int     	getLines(){return(m_nNrOfLines);}
 
 		/**
-		* Returns maximal width of passed text
+		* Returns width of largest line from passed text
 		* @param[in]	text
 		* 	@li 	exepts type std::string
 		* @param[in]	font
@@ -233,9 +233,10 @@ class CTextBox : public sigc::trackable
 		static int	getMaxLineWidth(const std::string& text, Font* font);
 
 		/**
-		* Returns internal defined maximal line width of an existent CTextBox instance.
+		* Returns internal defined largest line width of an existant CTextBox instance.
 		* 	@return	width of largest line as int
 		* 	@see	static version getMaxLineWidth()
+		* 		setText(), parameter: max_width
 		*/
 		int		getMaxLineWidth()		{return(m_nMaxTextWidth);}