diff --git a/language-snippets.ent b/language-snippets.ent
index b50ca0dc32..f6d390dd79 100644
--- a/language-snippets.ent
+++ b/language-snippets.ent
@@ -787,6 +787,7 @@ function instead.</simpara></note>'>
 <!ENTITY http.content.disposition 'The <literal>Content-Disposition</literal> header is very useful
    if the data actually sent came from a file or something similar, that should be &quot;saved&quot;
    by the client/user (i.e. by browsers &quot;Save as...&quot; popup window).'>
+<!ENTITY http.use.ob_start 'For use with <function>ob_start</function>.'>
 
 <!ENTITY note.http.response.recalculate.etag.lm '<note><simpara>Previously calculated or defined <literal>ETag</literal>
    and <literal>Last-Modified</literal> will be recalculated and redefined.</simpara></note>'>
@@ -799,6 +800,7 @@ function instead.</simpara></note>'>
 <!ENTITY note.http.request.encodecookies '<note><simpara>The &link.http.request.option; <literal>encodecookies</literal> controls
    whether the cookie values should be <function>urlencode</function>d.</simpara></note>'>
 <!ENTITY note.http.request.affects.any '<note><simpara>&http.request.affects.any;</simpara></note>'>
+<!ENTITY note.http.ob.once '<note><simpara>This output handler can only be uised once.</simpara></note>'>
 
 <!-- XMLWriter Notes -->
 <!ENTITY xmlwriter.xmlwriter.description '<varlistentry><term><parameter>