doc: Use system-username instead of system-user

This inconsistency has been introduced in efb6f4a4f9b6.

Reported-by: Julien Rouhaud
Author: Bertrand Drouvot
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 16

diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index 56747c0e36540985d71c3f4a660d84e31954a6c6..0b7100d9d8d2147d51301071d6e7754681993552 100644 (file)
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -965,8 +965,8 @@ local   db1,db2,@demodbs  all                                   md5
    external authentication system with the database user name that the
    user has requested to connect as. The value all
    can be used as the database-username to specify
-   that if the system-user matches, then this user
-   is allowed to log in as any of the existing database users. Quoting
+   that if the system-username matches, then this
+   user is allowed to log in as any of the existing database users. Quoting
    all makes the keyword lose its special meaning.