bug #14399 You need doctrine/annotations for route annotation support. (Nyholm)

This PR was submitted for the 5.x branch but it was merged into the 4.4 branch instead.

Discussion
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You need doctrine/annotations for route annotation support.

For Symfony 4.4

This will correct the mistake in #14387

There is an alternative to this PR here: #14400

Commits
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6a74ba6 You need doctrine/annotations for route annotation support.

Author: wouterj

routing.rst

@@ -27,7 +27,7 @@ Run this command once in your application to add support for annotations:
 
 .. code-block:: terminal
 
-    $ composer require annotations
+    $ composer require doctrine/annotations
 
 In addition to installing the needed dependencies, this command creates the
 following configuration file: