diff --git a/htdocs/core/class/commondocgenerator.class.php b/htdocs/core/class/commondocgenerator.class.php
index a818bfe7a2f..99c8bf82049 100644
--- a/htdocs/core/class/commondocgenerator.class.php
+++ b/htdocs/core/class/commondocgenerator.class.php
@@ -491,11 +491,11 @@ abstract class CommonDocGenerator
 	/**
 	 *	Define array with couple substitution key => substitution value
 	 *
-	 *	@param  array			$line				Array of lines
+	 *	@param  Object			$line				Object line
 	 *	@param  Translate		$outputlangs        Lang object to use for output
 	 *  @return	array								Return a substitution array
 	 */
-	function get_substitutionarray_lines($line,$outputlangs)
+	function get_substitutionarray_lines($line, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;