diff --git a/functions/exec.xml b/functions/exec.xml
index 4d16b622d7..858832a20a 100644
--- a/functions/exec.xml
+++ b/functions/exec.xml
@@ -1,4 +1,4 @@
-<!-- $Revision: 1.16 $ -->
+<!-- $Revision: 1.17 $ -->
  <reference id="ref.exec">
   <title>Program Execution functions</title>
   <titleabbrev>Program Execution</titleabbrev>
@@ -37,7 +37,7 @@
     <para>
      <informalexample>
       <programlisting role="php">
-system("ls ".EscapeShellArg($dir))
+system("ls ".escapeshellarg($dir));
       </programlisting>
      </informalexample>
     </para>
@@ -75,9 +75,9 @@ system("ls ".EscapeShellArg($dir))
     <para>
      <informalexample>
       <programlisting role="php">
-$e = EscapeShellCmd($userinput);
+$e = escapeshellcmd($userinput);
 system("echo $e"); // here we don't care if $e has spaces
-$f = EscapeShellCmd($filename);
+$f = escapeshellcmd($filename);
 system("touch \"/tmp/$f\"; ls -l \"/tmp/$f\""); // and here we do, so we use quotes
       </programlisting>
      </informalexample>
@@ -117,7 +117,7 @@ system("touch \"/tmp/$f\"; ls -l \"/tmp/$f\""); // and here we do, so we use quo
      anything.  It simply returns the last line from the result of the
      command.  If you need to execute a command and have all the data
      from the command passed directly back without any interference,
-     use the <function>PassThru</function> function.
+     use the <function>passthru</function> function.
     </para>
     <para>
      If the <parameter>array</parameter> argument is present, then the
@@ -185,7 +185,7 @@ system("touch \"/tmp/$f\"; ls -l \"/tmp/$f\""); // and here we do, so we use quo
      is binary data which needs to be passed directly back to the
      browser.  A common use for this is to execute something like the
      pbmplus utilities that can output an image stream directly.  By
-     setting the content-type to <emphasis>image/gif</emphasis> and
+     setting the Content-type to <emphasis>image/gif</emphasis> and
      then calling a pbmplus program to output a gif, you can create
      PHP scripts that output images directly.</para>
     <para>