Rework comment for matrix_static_files_file_matrix_support_enabled

roles/custom/matrix-static-files/defaults/main.yml

@@ -247,9 +247,9 @@ matrix_static_files_file_matrix_server_configuration: "{{ matrix_static_files_fi
 ########################################################################
 
 # Controls whether a `/.well-known/matrix/support` file is generated and used at all.
+# For details about this file, see the spec: https://github.com/matrix-org/matrix-spec-proposals/pull/1929
 #
-# This is not enabled by default, until the MSC gets accepted: https://github.com/matrix-org/matrix-spec-proposals/pull/1929
-#
+# This is not enabled by default, as for it to be useful, other information is necessary.
 # See `matrix_static_files_file_matrix_support_property_m_contacts`, `matrix_static_files_file_matrix_support_property_m_support_page`, etc.
 matrix_static_files_file_matrix_support_enabled: "{{ matrix_static_files_matrix_support_enabled }}"