diff --git a/custom/conf/app.example.ini b/custom/conf/app.example.ini
index 726f18ed767..8431853e1d6 100644
--- a/custom/conf/app.example.ini
+++ b/custom/conf/app.example.ini
@@ -155,7 +155,7 @@
 ;; Username to use for the builtin SSH server. If blank, then it is the value of RUN_USER.
 ;BUILTIN_SSH_SERVER_USER =
 ;;
-;; Domain name to be exposed in clone URL, defaults to DOMAIN or the domain part of ROOT_URL
+;; Domain name to be exposed in clone URL, defaults to the domain part of ROOT_URL
 ;SSH_DOMAIN =
 ;;
 ;; Port number to be exposed in clone URL.
@@ -836,7 +836,7 @@ LEVEL = Info
 ;EMAIL_DOMAIN_BLOCKLIST =
 ;;
 ;; Disallow registration, only allow admins to create accounts.
-;DISABLE_REGISTRATION = false
+;DISABLE_REGISTRATION = true
 ;;
 ;; Allow registration only using gitea itself, it works only when DISABLE_REGISTRATION is false
 ;ALLOW_ONLY_INTERNAL_REGISTRATION = false
@@ -968,12 +968,11 @@ LEVEL = Info
 ;; Value for the domain part of the user's email address in the git log if user
 ;; has set KeepEmailPrivate to true. The user's email will be replaced with a
 ;; concatenation of the user name in lower case, "@" and NO_REPLY_ADDRESS. Default
-;; value is "noreply." + DOMAIN, where DOMAIN resolves to the value from server.DOMAIN
-;; Note: do not use the <DOMAIN> notation below
-;NO_REPLY_ADDRESS = ; noreply.<DOMAIN>
+;; value is "noreply." + the domain part of ROOT_URL
+;NO_REPLY_ADDRESS =
 ;;
-;; Show Registration button
-;SHOW_REGISTRATION_BUTTON = true
+;; Show Registration button, defaults to true only if both DISABLE_REGISTRATION and ALLOW_ONLY_EXTERNAL_REGISTRATION are false
+;SHOW_REGISTRATION_BUTTON = false
 ;;
 ;; Show milestones dashboard page - a view of all the user's milestones
 ;SHOW_MILESTONES_DASHBOARD_PAGE = true
@@ -1752,7 +1751,6 @@ LEVEL = Info
 ;ENABLE_OPENID_SIGNIN = false
 ;;
 ;; Whether to allow registering via OpenID
-;; Do not include to rely on rhw DISABLE_REGISTRATION setting
 ;;ENABLE_OPENID_SIGNUP = false
 ;;
 ;; Allowed URI patterns (POSIX regexp).
@@ -2015,8 +2013,8 @@ LEVEL = Info
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 ;; Either "memory", "file", "redis", "db", "mysql", "couchbase", "memcache" or "postgres"
-;; Default is "memory". "db" will reuse the configuration in [database]
-;PROVIDER = memory
+;; Default is "file". "db" will reuse the configuration in [database]
+;PROVIDER = file
 ;;
 ;; Provider config options
 ;; memory: doesn't have any config yet