diff --git a/UPGRADE.asciidoc b/UPGRADE.asciidoc
index dbf9fc418a88..d5a571bb3148 100644
--- a/UPGRADE.asciidoc
+++ b/UPGRADE.asciidoc
@@ -25,7 +25,7 @@ Configuration changes
 The parameters `trapping.redirecturl` and `trapping.always_use_redirecturl` from `pf.conf` (or `pf.conf.defaults`)
 were moved to the default portal profile in `profiles.conf`.
 
-The action `set_access_level` of authentication sources in `authentication.pf` must now match one of the admin roles
+The action `set_access_level` of authentication sources in `authentication.conf` must now match one of the admin roles
 defined in `adminroles.conf`. The previous level `4294967295` must be replaced by *ALL* and the level `0` by *NONE*.
 
 Adjust your configuration files accordingly.