diff --git a/reference/sockets/functions/socket-get-option.xml b/reference/sockets/functions/socket-get-option.xml
index 4085b0d0d5..b9a13ad2f7 100644
--- a/reference/sockets/functions/socket-get-option.xml
+++ b/reference/sockets/functions/socket-get-option.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- splitted from ./en/functions/sockets.xml, last change in rev 1.27 -->
   <refentry id="function.socket-get_option">
    <refnamediv>
@@ -18,6 +18,12 @@
     <para>
      &warn.undocumented.func;
     </para>
+    <note>
+     <para>
+      This function used to be called <literal>socket_getopt()</literal> prior
+      to PHP 4.3.0
+     </para>
+    </note>
    </refsect1>
   </refentry>
 
diff --git a/reference/sockets/functions/socket-set-option.xml b/reference/sockets/functions/socket-set-option.xml
index a7eb4523b9..8695238d15 100644
--- a/reference/sockets/functions/socket-set-option.xml
+++ b/reference/sockets/functions/socket-set-option.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- splitted from ./en/functions/sockets.xml, last change in rev 1.27 -->
   <refentry id="function.socket-set_option">
    <refnamediv>
@@ -19,6 +19,12 @@
     <para>
      &warn.undocumented.func;
     </para>
+    <note>
+     <para>
+      This function used to be called <literal>socket_setopt()</literal> prior
+      to PHP 4.3.0
+     </para>
+    </note>
    </refsect1>
   </refentry>