DOC: punctuation bug fix

Author: Liudmila Mantrova

doc/src/sgml/func.sgml

@@ -15432,12 +15432,12 @@ SELECT * FROM pg_ls_dir('.') WITH ORDINALITY AS t(ls,n);
       <row>
        <entry><literal><function>pgpro_version()</function></literal></entry>
        <entry><type>text</type></entry>
-       <entry><productname>Postgres Pro</> version information.</entry>
+       <entry><productname>&productname;</> version information</entry>
        </row>
       <row>
        <entry><literal><function>pgpro_edition()</function></literal></entry>
        <entry><type>text</type></entry>
-       <entry>Name  of <productname>Postgres Pro</> edition.</entry>
+       <entry>name of <productname>Postgres Pro</> edition</entry>
        </row>
      </tbody>
     </tgroup>