Update FAQ.

doc/FAQ

@@ -974,7 +974,7 @@ SELECT *
     SELECT tab1.col1, NULL
     FROM tab1
     WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)
-    ORDER BY tab1.col1
+    ORDER BY col1
      _________________________________________________________________
    
                             Extending PostgreSQL

doc/src/FAQ/FAQ.html

@@ -1258,7 +1258,7 @@ or
     SELECT tab1.col1, NULL
     FROM tab1
     WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)
-    ORDER BY tab1.col1
+    ORDER BY col1
 </PRE>
     <HR>