diff --git a/locales/en.json b/locales/en.json
index 82a26a418..560ad30b5 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -4,10 +4,9 @@
     "additional_urls_already_added": "Additionnal URL '{url}' already added in the additional URL for permission '{permission}'",
     "additional_urls_already_removed": "Additionnal URL '{url}' already removed in the additional URL for permission '{permission}'",
     "admin_password": "Administration password",
-    "admin_password_change_failed": "Unable to change password",
-    "admin_password_changed": "The administration password was changed",
     "already_up_to_date": "Nothing to do. Everything is already up-to-date.",
     "app_action_broke_system": "This action seems to have broken these important services: {services}",
+    "app_action_failed": "Failed to run action {action} for app {app}",
     "app_action_cannot_be_ran_because_required_services_down": "These required services should be running to run this action: {services}. Try restarting them to continue (and possibly investigate why they are down).",
     "app_already_installed": "{app} is already installed",
     "app_already_installed_cant_change_url": "This app is already installed. The URL cannot be changed just by this function. Check in `app changeurl` if it's available.",
@@ -64,6 +63,7 @@
     "apps_catalog_obsolete_cache": "The app catalog cache is empty or obsolete.",
     "apps_catalog_update_success": "The application catalog has been updated!",
     "apps_catalog_updating": "Updating application catalog...",
+    "ask_username": "Username",
     "ask_firstname": "First name",
     "ask_lastname": "Last name",
     "ask_main_domain": "Main domain",
@@ -446,7 +446,6 @@
     "invalid_number": "Must be a number",
     "invalid_number_max": "Must be lesser than {max}",
     "invalid_number_min": "Must be greater than {min}",
-    "invalid_password": "Invalid password",
     "invalid_regex": "Invalid regex:'{regex}'",
     "invalid_credentials": "Invalid password or username",
     "ip6tables_unavailable": "You cannot play with ip6tables here. You are either in a container or your kernel does not support it",
@@ -541,6 +540,7 @@
     "migration_description_0023_postgresql_11_to_13": "Migrate databases from PostgreSQL 11 to 13",
     "migration_description_0024_rebuild_python_venv": "Repair Python app after bullseye migration",
     "migration_description_0025_global_settings_to_configpanel": "Migrate legacy global settings nomenclature to the new, modern nomenclature",
+    "migration_description_0026_new_admins_group": "Migrate to the new 'multiple admins' system",
     "migration_ldap_backup_before_migration": "Creating a backup of LDAP database and apps settings prior to the actual migration.",
     "migration_ldap_can_not_backup_before_migration": "The backup of the system could not be completed before the migration failed. Error: {error}",
     "migration_ldap_migration_failed_trying_to_rollback": "Could not migrate... trying to roll back the system.",
@@ -636,7 +636,6 @@
     "restore_running_hooks": "Running restoration hooks...",
     "restore_system_part_failed": "Could not restore the '{part}' system part",
     "root_password_desynchronized": "The admin password was changed, but YunoHost could not propagate this to the root password!",
-    "root_password_replaced_by_admin_password": "Your root password have been replaced by your admin password.",
     "server_reboot": "The server will reboot",
     "server_reboot_confirm": "The server will reboot immediatly, are you sure? [{answers}]",
     "server_shutdown": "The server will shut down",
diff --git a/share/actionsmap.yml b/share/actionsmap.yml
index 78271b4cc..7417bb98d 100644
--- a/share/actionsmap.yml
+++ b/share/actionsmap.yml
@@ -1514,12 +1514,14 @@ tools:
                         required: True
                 -f:
                     full: --firstname
+                    help: Firstname for the first (admin) user
                     extra:
                         ask: ask_firstname
                         required: True
                         pattern: *pattern_firstname
                 -l:
                     full: --lastname
+                    help: Lastname for the first (admin) user
                     extra:
                         ask: ask_lastname
                         required: True
diff --git a/src/app.py b/src/app.py
index 9af21df7f..a90584157 100644
--- a/src/app.py
+++ b/src/app.py
@@ -1664,7 +1664,7 @@ ynh_app_config_run $1
             elif action == "apply":
                 raise YunohostError("app_config_unable_to_apply")
             else:
-                raise YunohostError("app_action_failed", action=action)
+                raise YunohostError("app_action_failed", action=action, app=app)
         return values
 
 
diff --git a/src/domain.py b/src/domain.py
index 14b28940a..2e82ab199 100644
--- a/src/domain.py
+++ b/src/domain.py
@@ -513,6 +513,9 @@ class DomainConfigPanel(ConfigPanel):
             # i18n: domain_config_cert_summary_letsencrypt
             toml["cert"]["status"]["cert_summary"]["ask"] = m18n.n(f"domain_config_cert_summary_{status['summary']}")
 
+            # Other specific strings used in config panels
+            # i18n: domain_config_cert_renew_help
+
             # FIXME: Ugly hack to save the cert status and reinject it in _load_current_values ...
             self.cert_status = status
 
diff --git a/src/utils/password.py b/src/utils/password.py
index 42ed45ddd..f55acf5c0 100644
--- a/src/utils/password.py
+++ b/src/utils/password.py
@@ -61,7 +61,7 @@ def assert_password_is_compatible(password):
         # as well as modules available in python's path.
         from yunohost.utils.error import YunohostValidationError
 
-        raise YunohostValidationError("admin_password_too_long")
+        raise YunohostValidationError("password_too_long")
 
 
 def assert_password_is_strong_enough(profile, password):