diff --git a/reference/datetime/functions/strftime.xml b/reference/datetime/functions/strftime.xml
index fd468daca8..fc349d9c29 100644
--- a/reference/datetime/functions/strftime.xml
+++ b/reference/datetime/functions/strftime.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.24 $ -->
+<!-- $Revision: 1.25 $ -->
 <refentry xml:id="function.strftime" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>strftime</refname>
@@ -142,7 +142,13 @@
         </listitem>
         <listitem>
          <simpara>
-          %p - either `AM' or `PM' according to the given time value, or
+          %p - UPPER-CASE `AM' or `PM' according to the given time value, or
+          the corresponding strings for the current locale
+         </simpara>
+        </listitem>
+        <listitem>
+         <simpara>
+          %P - lower-case `am' or `pm' according to the given time value, or
           the corresponding strings for the current locale
          </simpara>
         </listitem>