diff --git a/admin_manual/installation/source_installation.rst b/admin_manual/installation/source_installation.rst
index 5e3dc35e1..7eaedb785 100644
--- a/admin_manual/installation/source_installation.rst
+++ b/admin_manual/installation/source_installation.rst
@@ -76,6 +76,7 @@ Required for specific apps:
 * PHP module gmp (for passwordless login)
 
 Recommended for specific apps (*optional*):
+
 * PHP module gmp (for SFTP storage)
 * PHP module exif (for image rotation in pictures app)