diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..94722ed
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: python
+
+before_install:
+  - git clone https://github.com/YunoHost/package_linter /tmp/package_linter
+
+script:
+- /tmp/package_linter/package_linter.py ./
diff --git a/scripts/upgrade b/scripts/upgrade
index 0f1246d..9ac91ee 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -71,9 +71,9 @@ if [ -z "$hashed_password" ]; then
 	password=$(ynh_string_random 8)
 	hashed_password=$(echo -n $password | sha256sum | cut -d' ' -f1)
 
-	echo "The new version of LSTU provide an admin and a stats area which required a password.
-
-This password is: $password" > mail_to_send
+	echo "The new version of LSTU provide an admin and a stats area which required a password." > mail_to_send
+	echo "" >> mail_to_send
+	echo "This password is: $password" >> mail_to_send
 
 	ynh_send_readme_to_admin --app_message="mail_to_send" --type="upgrade"