diff --git a/htdocs/core/lib/json.lib.php b/htdocs/core/lib/json.lib.php
index 55bfcf96061..425b5713565 100644
--- a/htdocs/core/lib/json.lib.php
+++ b/htdocs/core/lib/json.lib.php
@@ -46,7 +46,7 @@ if (! function_exists('json_encode'))
  */
 function dol_json_encode($elements)
 {
-	dol_syslog("For better permorfance, enable the native json in your PHP", LOG_WARNING);
+	dol_syslog("For better performance, enable the native json in your PHP", LOG_WARNING);
 
 	$num=0;
 	if (is_object($elements))	// Count number of properties for an object
@@ -225,12 +225,11 @@ if (! function_exists('json_decode'))
  * @param	string	$json		Json encoded to PHP Object or Array
  * @param	bool	$assoc		False return an object, true return an array. Try to always use it with true !
  * @return 	mixed				Object or Array or false on error
- * @deprecated PHP >= 5.3 supports native json_decode
  * @see json_decode()
  */
 function dol_json_decode($json, $assoc=false)
 {
-	dol_syslog('dol_json_decode() is deprecated. Please update your code to use native json_decode().', LOG_WARNING);
+	dol_syslog("For better performance, enable the native json in your PHP", LOG_WARNING);
 
 	$comment = false;