diff --git a/manifest.json b/manifest.json
index c5d31c3..2045037 100644
--- a/manifest.json
+++ b/manifest.json
@@ -64,8 +64,8 @@
                     "fr": "Activer le chiffrement entre Synapse et le bridge ?"
                 },
                 "help": {
-                    "en": "Only activate if you know the prerequisites and constraints related to e2b.",
-                    "fr": "N'activer que si vous connaissez les prérequis et constraintes liées à e2b."
+                    "en": "Only activate if you know the prerequisites and constraints related to e2b. Voir aussi : https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html",
+                    "fr": "N'activer que si vous connaissez les prérequis et constraintes liées à e2b. See more: https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html"
                 },
                 "default": false
             },
diff --git a/scripts/install b/scripts/install
index fae393a..0362dc4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -108,8 +108,8 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 ynh_script_progression --message="Installing dependencies..." --weight=97
 
 if [ $encryption -eq 1 ]; then
-    # Install libolm-dev from backports to avoid break on Debian Buster
-    ynh_install_extra_app_dependencies --repo="http://ftp.debian.org/debian/ buster-backports main" --package="$pkg_dependencies_e2be" --key="https://ftp-master.debian.org/keys/archive-key-10.asc" --name="$app"
+    # Install libolm-dev to be able to use encryption
+    ynh_install_extra_app_dependencies  $pkg_dependencies_e2be
 fi
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
diff --git a/scripts/upgrade b/scripts/upgrade
index 28f8836..170d407 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -98,8 +98,8 @@ fi
 ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
 if [ $encryption -eq 1 ]; then
-    # Install libolm-dev from backports to avoid break on Debian Buster
-    ynh_install_extra_app_dependencies --repo="http://ftp.debian.org/debian/ buster-backports main" --package="$pkg_dependencies_e2be" --key="https://ftp-master.debian.org/keys/archive-key-10.asc" --name="$app"
+    # Install libolm-dev to be able to use encryption
+    ynh_install_extra_app_dependencies  $pkg_dependencies_e2be
 fi
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies