diff --git a/reference/curl/functions/curl-setopt.xml b/reference/curl/functions/curl-setopt.xml
index d382647736..47b530db98 100644
--- a/reference/curl/functions/curl-setopt.xml
+++ b/reference/curl/functions/curl-setopt.xml
@@ -67,7 +67,9 @@
             <constant>CURLOPT_RETURNTRANSFER</constant> is used.
            </entry>
            <entry valign="top">
-           Obselete since PHP 5.1.3
+            From PHP 5.1.3, this option has no effect: the raw output will
+            always be returned when
+            <constant>CURLOPT_RETURNTRANSFER</constant> is used.
            </entry>
           </row>
           <row>