diff --git a/functions/strings.xml b/functions/strings.xml
index eda334f820..c6355d2b97 100644
--- a/functions/strings.xml
+++ b/functions/strings.xml
@@ -1858,6 +1858,7 @@ echo str_repeat("-=", 10);
    $str = "Mary Had A Little Lamb and She LOVED It So";
    $str = strtolower($str);	
    print $str; # Prints mary had a little lamb and she loved it so
+</programlisting></example>
     <para>
      See also <function>strtoupper</function>
      and <function>ucfirst</function>.</para>
@@ -1883,6 +1884,13 @@ echo str_repeat("-=", 10);
      Note that 'alphabetic' is determined by the current locale. For
      instance, in the default "C" locale characters such as umlaut-a
      (ä) will not be converted.</para>
+    <example>
+		<title><function>strtoupper</function> example</title>
+    <programlisting>
+   $str = "Mary Had A Little Lamb and She LOVED It So";
+   $str = strtoupper($str);	
+   print $str; # Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
+</programlisting></example>
     <para>
      See also <function>strtolower</function>
      and <function>ucfirst</function>.</para>
@@ -2165,7 +2173,8 @@ echo substr_replace( $var, '', 10, -1 ) . "&lt;br&gt;\n";
     </funcsynopsis>
     <para>
      This function strips whitespace from the start and the end of a
-     string and returns the stripped string.</para>
+     string and returns the stripped string.  The whitespace characters it currently
+     strips are: "\n", "\r", "\t", "\v", "\0", and " ".</para>
     <para>
      See also <function>chop</function> and
      <function>ltrim</function>.</para>