diff --git a/doc/filters/slug.rst b/doc/filters/slug.rst
index 2f1d733b0..f10cea2e9 100644
--- a/doc/filters/slug.rst
+++ b/doc/filters/slug.rst
@@ -30,7 +30,6 @@ argument:
 The ``slug`` filter uses the method by the same name in Symfony's 
 `AsciiSlugger <https://symfony.com/doc/current/components/string.html#slugger>`_. 
 
-
 .. note::
 
     The ``slug`` filter is part of the ``StringExtension`` which is not
diff --git a/extra/twig-extra-bundle/README.md b/extra/twig-extra-bundle/README.md
index f7602e4fe..439fe9df7 100644
--- a/extra/twig-extra-bundle/README.md
+++ b/extra/twig-extra-bundle/README.md
@@ -3,3 +3,8 @@ Twig Extra Bundle
 
 This package is a Symfony bundle that allows to use all "extra" extensions
 without any configuration.
+
+Installation
+------------
+
+    composer require twig/extra-bundle