diff --git a/doc/POST_INSTALL.md b/doc/POST_INSTALL.md
index 93a5f6c..6a08512 100644
--- a/doc/POST_INSTALL.md
+++ b/doc/POST_INSTALL.md
@@ -2,4 +2,4 @@ To configure OnlyOffice with your Nextcloud:
 under Nextcloud > Administration > ONLYOFFICE > Server settings
 
 - Address of the Document Server": https://__DOMAIN____PATH_URL__
-- Secret key: __JWT_TOKEN__
+- Secret key: __JWT_SECRET__
diff --git a/scripts/upgrade b/scripts/upgrade
index 632b263..4fa6237 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -64,7 +64,7 @@ ynh_store_file_checksum --file="/etc/onlyoffice/documentserver/default.json"
 #=================================================
 ynh_script_progression --message="Generating fonts..."
 
-/usr/bin/documentserver-generate-allfonts.sh
+/usr/bin/documentserver-generate-allfonts.sh 2>/dev/null
 
 #=================================================
 # SECURE FILES AND DIRECTORIES