diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index f82affd0c5..b587ef71c1 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -2501,7 +2501,7 @@ The commands accepted in walsender mode are:
        </listitem>
        <listitem>
         <para>
-         <filename>pg_internal.init (found in multiple directories)</>
+         <filename>pg_internal.init (found in multiple directories)</filename>
         </para>
        </listitem>
        <listitem>