diff --git a/UPGRADE-2.1.md b/UPGRADE-2.1.md
index 4f14ed03da..99944e06bb 100644
--- a/UPGRADE-2.1.md
+++ b/UPGRADE-2.1.md
@@ -258,39 +258,39 @@ UPGRADE FROM 2.0 to 2.1
* Flash Messages now returns and array based on type (the old method are still available but deprecated)
- Before (Twig):
+ Before (Twig):
- {% if app.session.hasFlash('notice') %}
-
- {{ app.session.flash('notice') }}
-
- {% endif %}
+ {% if app.session.hasFlash('notice') %}
+
+ {{ app.session.flash('notice') }}
+
+ {% endif %}
- After (Twig):
+ After (Twig):
- {% if app.session.flashbag.has('notice') %}
-
- {{ app.session.flashbag.get('notice') }}
-
- {% endif %}
+ {% if app.session.flashbag.has('notice') %}
+
+ {{ app.session.flashbag.get('notice') }}
+
+ {% endif %}
- Again you can process all flash messages in one go with
+ Again you can process all flash messages in one go with
- {% for type, flashMessage in app.session.flashbag.all() %}
-
- {{ flashMessage }}
-
- {% endforeach %}
+ {% for type, flashMessage in app.session.flashbag.all() %}
+
+ {{ flashMessage }}
+
+ {% endforeach %}
* Session storage drivers
- Session storage drivers should inherit from
- `Symfony\Component\HttpFoundation\Session\Storage\AbstractSessionStorage`
- and no longer should implement `read()`, `write()`, `remove()` which were removed from the
- `SessionStorageInterface`.
+ Session storage drivers should inherit from
+ `Symfony\Component\HttpFoundation\Session\Storage\AbstractSessionStorage`
+ and no longer should implement `read()`, `write()`, `remove()` which were removed from the
+ `SessionStorageInterface`.
- Any session storage driver that wants to use custom save handlers should
- implement `Symfony\Component\HttpFoundation\Session\Storage\SaveHandlerInterface`
+ Any session storage driver that wants to use custom save handlers should
+ implement `Symfony\Component\HttpFoundation\Session\Storage\SaveHandlerInterface`
* The methods `add`, `remove`, `setParent`, `bind` and `setData` in class Form
now throw an exception if the form is already bound