diff --git a/reference/sem/functions/shm-detach.xml b/reference/sem/functions/shm-detach.xml
index 3b3d508f97..ccfa21681b 100644
--- a/reference/sem/functions/shm-detach.xml
+++ b/reference/sem/functions/shm-detach.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/sem.xml, last change in rev 1.2 -->
   <refentry id="function.shm-detach">
    <refnamediv>
@@ -18,6 +18,9 @@
      by <function>shm_attach</function>. Remember, that shared memory
      still exist in the Unix system and the data is still present.
     </para>
+    <para>
+     <function>shm_detach</function> always returns &true;.
+    </para>
    </refsect1>
   </refentry>