diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 4ab21343114..b027d0b0528 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -593,7 +593,7 @@ abstract class CommonObject
     }
 
     /**
-     *    	Load the third party of object, from id $this->socid or $this->fk_soc, into this->thirdpary
+     *    	Load the third party of object, from id $this->socid or $this->fk_soc, into this->thirdparty
      *
      *		@return		int					<0 if KO, >0 if OK
      */
diff --git a/htdocs/core/lib/agenda.lib.php b/htdocs/core/lib/agenda.lib.php
index 5ae51bf0eaa..3367d227dd8 100644
--- a/htdocs/core/lib/agenda.lib.php
+++ b/htdocs/core/lib/agenda.lib.php
@@ -112,7 +112,7 @@ function print_actions_filter($form, $canedit, $status, $year, $month, $day, $sh
 	{
 		print '<tr>';
 		print '<td class="nowrap">';
-		print $langs->trans("Thirdpary").' &nbsp; ';
+		print $langs->trans("ThirdParty").' &nbsp; ';
 		print '</td><td class="nowrap maxwidthonsmartphone">';
 		print $form->select_thirdparty($socid, 'socid');
 		print '</td></tr>';