/usr/share/doc/monkeysign-doc/html/_sources/ is in monkeysign-doc 2.2.3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/monkeysign-doc/html/_sources/api.txt
/usr/share/doc/monkeysign-doc/html/_sources/contributing.txt
/usr/share/doc/monkeysign-doc/html/_sources/credits.txt
/usr/share/doc/monkeysign-doc/html/_sources/glossary.txt
/usr/share/doc/monkeysign-doc/html/_sources/history.txt
/usr/share/doc/monkeysign-doc/html/_sources/index.txt
/usr/share/doc/monkeysign-doc/html/_sources/install.txt
/usr/share/doc/monkeysign-doc/html/_sources/issue_template.txt
/usr/share/doc/monkeysign-doc/html/_sources/presentation.txt
/usr/share/doc/monkeysign-doc/html/_sources/support.txt
/usr/share/doc/monkeysign-doc/html/_sources/ui-mockups/
/usr/share/doc/monkeysign-doc/html/_sources/ui-mockups/index.txt
/usr/share/doc/monkeysign-doc/html/_sources/usage.txt