minor #8290 Swap the two setfacl commands (zephyr-thomas)

This PR was submitted for the 3.3 branch but it was merged into the 2.7 branch instead (closes #8290).

Discussion
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Swap the two setfacl commands

The description was not suitable for the given setfacl commands.

Commits
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b6f9f74 Update the setfacl description.

Author: xabbuh

setup/file_permissions.rst

@@ -55,8 +55,8 @@ following script to determine your web server user and grant the needed permissi
 
 .. note::
 
-    The first ``setfacl`` command sets permissions on the existing files and
-    folders, while the second one sets permissions for future files and folders.
+    The first ``setfacl`` command sets permissions for future files and folder,
+    while the second one sets permissions on the existing files and folders.
     Both of these commands assign permissions for the system user and the Apache 
     user.