Correct the names of pgstattuple_approx output columns in the doc.

diff --git a/doc/src/sgml/pgstattuple.sgml b/doc/src/sgml/pgstattuple.sgml
index b31fee9b0e1f48675d4013b7e3bea306aa3dedf7..40a9669c90b9701442a14a60287e8e6e7c9cb8a9 100644 (file)
--- a/doc/src/sgml/pgstattuple.sgml
+++ b/doc/src/sgml/pgstattuple.sgml
@@ -438,17 +438,17 @@ approx_free_percent  | 2.09
          Percentage of table scanned
         
         
-         tuple_count
+         approx_tuple_count
          bigint
          Number of live tuples (estimated)
         
         
-         tuple_len
+         approx_tuple_len
          bigint
          Total length of live tuples in bytes (estimated)
         
         
-         tuple_percent
+         approx_tuple_percent
          float8
          Percentage of live tuples