diff --git a/reference/pcre/pattern.modifiers.xml b/reference/pcre/pattern.modifiers.xml
index a701dd89cd..f8163d5b54 100644
--- a/reference/pcre/pattern.modifiers.xml
+++ b/reference/pcre/pattern.modifiers.xml
@@ -198,7 +198,7 @@
       </listitem>
      </varlistentry>
      <varlistentry>
-      <term><emphasis>u</emphasis> (<literal>PCRE8</literal>)</term>
+      <term><emphasis>u</emphasis> (<literal>PCRE_UTF8</literal>)</term>
       <listitem>
        <simpara>
         This modifier turns on additional functionality of PCRE that