Improve SQL function disallowed command wording.

diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml
index 70dfe380190281662daca21b2ca5e7206829f4ab..2280b2fd6ad153138f03dc40d775c63db2e36778 100644 (file)
--- a/doc/src/sgml/xfunc.sgml
+++ b/doc/src/sgml/xfunc.sgml
@@ -116,7 +116,7 @@
      Besides SELECT queries, the commands can include data
      modification queries (INSERT,
      UPDATE, and DELETE), as well as
-     other SQL commands. (You cannot put transaction commands, e.g.
+     other SQL commands. (You cannot use transaction control commands, e.g.
      COMMIT, SAVEPOINT, and some utility
      commands, e.g.  VACUUM, into an SQL function.)
      However, the final command