/usr/share/doc/ is in libapache2-modsecurity 2.6.3-1.
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..
/usr/share/doc/libapache2-modsecurity/
/usr/share/doc/libapache2-modsecurity/README.mlogc
/usr/share/doc/libapache2-modsecurity/README.TXT
/usr/share/doc/libapache2-modsecurity/doc/
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual.html
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/index_004.css
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/index.php
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/commonPrint.css
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/index_002.css
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/ajax.js
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/wikibits.js
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/index.css
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/poweredby_mediawiki_88x31.png
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/600px-Apache_request_cycle-modsecurity.jpg
/usr/share/doc/libapache2-modsecurity/doc/Reference_Manual_files/index_003.css
/usr/share/doc/libapache2-modsecurity/copyright
/usr/share/doc/libapache2-modsecurity/NEWS.Debian.gz
/usr/share/doc/libapache2-modsecurity/mlogc-default.conf
/usr/share/doc/libapache2-modsecurity/changelog.Debian.gz
/usr/share/doc/libapache2-modsecurity/README.Debian