diff --git a/locales/en.json b/locales/en.json
index 1594563b..56d6286d 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -44,7 +44,7 @@
     "archivist_manifest_arguments_install_encrypt": "Do you want to encrypt your backups ?", 
     "archivist_manifest_arguments_install_encryption_pwd": "Set the password for encryption.", 
     "archivist_manifest_arguments_install_frequency": "Choose the frequency of your backups ?", 
-    "archivist_manifest_arguments_install_help_encryption_pwd": "It's needed if you not turn off the encryption.", 
+    "archivist_manifest_arguments_install_help_encryption_pwd": "It's needed if you use backup encryption.", 
     "archivist_manifest_description": "Automatic backups.", 
     "askbot_manifest_arguments_install_admin": "Choose the Askbot administrator (must be an existing YunoHost user)", 
     "askbot_manifest_arguments_install_domain": "Choose a domain for Askbot",