diff --git a/book/installation.rst b/book/installation.rst
index b4505ce06a1..c041d31c54e 100644
--- a/book/installation.rst
+++ b/book/installation.rst
@@ -70,7 +70,7 @@ Distribution:
     (e.g. "Tests"), add the ``--prefer-dist`` option at the end of any Composer
     command.
 
-This command may take several minutes to run as Composer download the Standard
+This command may take several minutes to run as Composer downloads the Standard
 Distribution along with all of the vendor libraries that it needs. When it finishes,
 you should have a directory that looks something like this:
 
@@ -173,9 +173,13 @@ Symfony itself - into the ``vendor/`` directory.
     When running ``php composer.phar install`` or ``php composer.phar update``,
     composer will execute post install/update commands to clear the cache
     and install assets. By default, the assets will be copied into your ``web``
-    directory. To create symlinks instead of copying the assets, you can
-    add an entry in the ``extra`` node of your composer.json file with the
-    key ``symfony-assets-install`` and the value ``symlink``:
+    directory. 
+
+    Instead of copying your Symfony assets, you can create symlinks if
+    your operating system supports it. To create symlinks, add an entry
+    in the ``extra`` node of your composer.json file with the key
+    ``symfony-assets-install`` and the value ``symlink``:
+
 
     .. code-block:: json