minor #4951 fix characters in backported patch (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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fix characters in backported patch

Commits
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b3b9708 fix characters in backported patch

Author: wouterj

components/debug.rst

@@ -16,8 +16,8 @@ Installation
 
 You can install the component in many different ways:
 
-* :doc:`Install it via Composer </components/using_components>` (``symfony/debug`` on `Packagist`_).
-* Use the official Git repository (https://github.com/symfony/Debug);
+* :doc:`Install it via Composer </components/using_components>` (``symfony/debug`` on `Packagist`_);
+* Use the official Git repository (https://github.com/symfony/Debug).
 
 Usage
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