Fix broken markup

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 774d5b3fce19ece5ce5fe9fee97b5a94385b717b..7e14478db7d150afa45061e7fd0b078029b70d38 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -10607,7 +10607,7 @@ SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY VALUE '<towns><town>T
 
     <para>
      The <literal>BY REF</literal> or <literal>BY VALUE</literal> clauses
-     have no effect in <productname>PostgreSQL<productname>, but are allowed
+     have no effect in <productname>PostgreSQL</productname>, but are allowed
      for compatibility with other implementations.  Per the <acronym>SQL</acronym>
      standard, the one that precedes any argument is required, and indicates
      the default for arguments that follow, and one may follow any argument to