Merge pull request #8043 from kenjis/docs-fix-installation/upgrade_file_upload

docs: fix anchor text in installation/upgrade_file_upload.rst

Author: kenjis

user_guide_src/source/installation/upgrade_file_upload.rst

@@ -7,7 +7,7 @@ Upgrade Working with Uploaded Files
 
 Documentations
 ==============
-- `Output Class Documentation CodeIgniter 3.X <http://codeigniter.com/userguide3/libraries/file_uploading.html>`_
+- `File Uploading Class Documentation CodeIgniter 3.X <http://codeigniter.com/userguide3/libraries/file_uploading.html>`_
 - :doc:`Working with Uploaded Files Documentation CodeIgniter 4.X </libraries/uploaded_files>`
 
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