diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 7b75e0bca2..be22f4b61b 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -3560,7 +3560,7 @@ repeat('Pg', 4) <returnvalue>PgPgPgPg</returnvalue>
         <returnvalue>text</returnvalue>
        </para>
        <para>
-        Evaluate escaped Unicode characters in argument.  Unicode characters
+        Evaluate escaped Unicode characters in the argument.  Unicode characters
         can be specified as
         <literal>\<replaceable>XXXX</replaceable></literal> (4 hexadecimal
         digits), <literal>\+<replaceable>XXXXXX</replaceable></literal> (6