diff --git a/htdocs/core/modules/member/doc/pdf_standard.class.php b/htdocs/core/modules/member/doc/pdf_standard.class.php
index 9ba2956857a..0051862d52e 100644
--- a/htdocs/core/modules/member/doc/pdf_standard.class.php
+++ b/htdocs/core/modules/member/doc/pdf_standard.class.php
@@ -37,7 +37,7 @@ class pdf_standard extends CommonStickerGenerator
 	/**
 	 * Output a sticker on page at position _COUNTX, _COUNTY (_COUNTX and _COUNTY start from 0)
 	 *
-	 * @param	TCPDF		&$pdf			PDF reference
+	 * @param	TCPDF		$pdf			PDF reference
 	 * @param	Translate	$outputlangs	Output langs
 	 * @param	array		$param			Associative array containing label content and optional parameters
 	 * @return	void
@@ -53,7 +53,7 @@ class pdf_standard extends CommonStickerGenerator
 	 * - __LOGO__ is replace with company logo
 	 * - __PHOTO__ is replace with photo provided as parameter
 	 *
-	 * @param	 TCPDF		&$pdf			PDF
+	 * @param	 TCPDF		$pdf			PDF
 	 * @param	 string		$textleft		Text left
 	 * @param	 string		$header			Header
 	 * @param	 string		$footer			Footer