diff --git a/config/locales/server_admin/en.yml b/config/locales/server_admin/en.yml
index c452e48459bbfb44776e6c4009c8c06dafb64b4a..a079769868512abc40614bac7756a07188e5fb1c 100644
--- a/config/locales/server_admin/en.yml
+++ b/config/locales/server_admin/en.yml
@@ -50,7 +50,7 @@ en:
         theme:
           sync: Sync
           update: Update theme
-      clean_and_rebuild_all_websites_notice: All themes will be updated. This can take a few minutes.
+      clean_and_rebuild_all_websites_notice: All websites will be rebuilt. This can take quite a long time.
       clean_and_rebuild_website_notice: The website will be rebuilt. This can take a few minutes.
       connections_count: "%{count} connexions"
       details: detail
diff --git a/config/locales/server_admin/fr.yml b/config/locales/server_admin/fr.yml
index 77cf104d4085b57f934b077c3780e5bf072e7bab..59bccab06ec8e6c4700e0148adb8cd5ae42bbabb 100644
--- a/config/locales/server_admin/fr.yml
+++ b/config/locales/server_admin/fr.yml
@@ -50,7 +50,7 @@ fr:
         theme:
           sync: Synchroniser
           update: Mettre à jour le thème
-      clean_and_rebuild_all_websites_notice: Tous les thèmes vont être mis à jour. Cela peut prendre quelques minutes.
+      clean_and_rebuild_all_websites_notice: Tous les sites vont être reconstruits. Cela peut prendre un certain temps.
       clean_and_rebuild_website_notice: Le site va être reconstruit. Cela peut prendre quelques minutes.
       connections_count: "%{count} connexions"
       details: détail