diff --git a/language-snippets.ent b/language-snippets.ent
index 82356b1517..075ed06afd 100644
--- a/language-snippets.ent
+++ b/language-snippets.ent
@@ -9,7 +9,7 @@ number generator is seeded automatically.</entry></row>'>
 
 <!ENTITY note.regex.deprecated '<note><para>As of PHP 5.3.0 the 
 regex extension is deprecated, calling this function
-will issue an <literal>E_DEPRECATED</literal> notice.</para></note>'>
+will issue an <constant>E_DEPRECATED</constant> notice.</para></note>'>
 
 <!ENTITY note.bin-safe '<note><simpara>This function is
 binary-safe.</simpara></note>'>