DOC: backend section missing parameters
One parameter was missing in the proxy paramater list.
One parameter was not alphabeticaly sorted.
(cherry picked from commit 809e22aae04c46f1dfd1062674684c06533f0937)
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 9e45c39..a2faf2a 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -1367,10 +1367,11 @@
option log-separate-errors (*) X X X -
option logasap (*) X X X -
option mysql-check X - X X
-option pgsql-check X - X X
option nolinger (*) X X X X
option originalto X X X X
option persist (*) X - X X
+option pgsql-check X - X X
+option prefer-last-server (*) X - X X
option redispatch (*) X - X X
option redis-check X - X X
option smtpchk X - X X