Change explanation of pg_switch_xlog()'s return value to match code.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 5217a3f6392b763ae497ba59774fb53e9bd22db1..341a37fb715866c1c055321058bfa2d0dc55baf4 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,4 +1,4 @@
-
+
 
  
   Functions and Operators
@@ -12849,10 +12849,10 @@ postgres=# select pg_start_backup('label_goes_here');
    
     pg_switch_xlog moves to the next transaction log file, allowing the 
     current file to be archived (assuming you are using continuous archiving).
-    The result is the ending transaction log location within the just-completed transaction log file.
+    The result is the ending transaction log location + 1 within the just-completed transaction log file.
     If there has been no transaction log activity since the last transaction log switch,
-    pg_switch_xlog does nothing and returns the end location
-    of the previous transaction log file.
+    pg_switch_xlog does nothing and returns the start location
+    of the transaction log file currently in use.