fix break line

Author: OniriCorpe

tools/readme_generator/templates/README.md.j2

@@ -26,7 +26,7 @@ It shall NOT be edited by hand.") }}
 
 *[{{ _("Read this README is other languages.") }}](./ALL_README.md)*
 
-> *{{ _("This package allows you to install %(application_name)s quickly and simply on a YunoHost server.
+> *{{ _("This package allows you to install %(application_name)s quickly and simply on a YunoHost server.  
 If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/install) to learn how to install it.")|format(application_name=manifest.name) }}*
 
 ## {{ _("Overview") }}