diff --git a/ext/libxml/libxml.c b/ext/libxml/libxml.c
index c73f2bc39dc..f9e3939623f 100644
--- a/ext/libxml/libxml.c
+++ b/ext/libxml/libxml.c
@@ -700,7 +700,7 @@ static PHP_FUNCTION(libxml_set_streams_context)
 }
 /* }}} */
 
-/* {{{ proto void libxml_use_internal_errors([boolean use_errors]) U
+/* {{{ proto bool libxml_use_internal_errors([boolean use_errors]) U
    Disable libxml errors and allow user to fetch error information as needed */
 static PHP_FUNCTION(libxml_use_internal_errors)
 {