Add missing space, change some markup.

doc/src/sgml/ref/comment.sgml

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-$Header: /cvsroot/pgsql/doc/src/sgml/ref/comment.sgml,v 1.7 2001/03/05 18:42:56 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/comment.sgml,v 1.8 2001/03/05 19:00:39 petere Exp $
 Postgres documentation
 -->
 
@@ -100,8 +100,8 @@ COMMENT
   </title>
   <para>
    <command>COMMENT</command> adds a comment to an object that can be 
-    easily retrieved with <application>psql's</application>
-    <emphasis>\dd</emphasis>, <emphasis>\d+</emphasis>, or <emphasis>\l+</emphasis>commands.
+    easily retrieved with <command>psql</command>'s
+    <command>\dd</command>, <command>\d+</command>, or <command>\l+</command> commands.
     To remove a comment, use <literal>NULL</literal>.
     Comments are automatically dropped when the object is dropped.
   </para>