diff --git a/reference/info/functions/ini-set.xml b/reference/info/functions/ini-set.xml
index 5c3ed4142e..071c63c6f9 100644
--- a/reference/info/functions/ini-set.xml
+++ b/reference/info/functions/ini-set.xml
@@ -66,7 +66,7 @@
 echo ini_get('display_errors');
 
 if (!ini_get('display_errors')) {
-    ini_set('display_errors', 1);
+    ini_set('display_errors', '1');
 }
 
 echo ini_get('display_errors');