minor #21130 [Asset] [Framework] Clarifying what base_path actually does (ThomasLandauer)

This PR was merged into the 6.4 branch.

Discussion
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[Asset] [Framework] Clarifying what `base_path` actually does

Page: https://symfony.com/doc/6.4/reference/configuration/framework.html#base-path

I'm not 100% sure, but I don't know any other implications of `base_path`.

Commits
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dc61e0a [Framework] Clarifying what `base_path` actually does

Author: javiereguiluz

reference/configuration/framework.rst

@@ -2068,7 +2068,7 @@ base_path
 
 **type**: ``string``
 
-This option allows you to define a base path to be used for assets:
+This option allows you to define a base path from where Twig's ``{{ asset() }}`` function is resolved:
 
 .. configuration-block::