Man pages matching name pmdapmid in section 3:

pmdaPMID.3.en	debian 10 / libpcp-pmda3-dev
pmdapmid.3.en	debian 10 / libpcp-pmda3-dev
pmdaPMID.3.en	debian 11 / libpcp-pmda3-dev
pmdaPMID.3.en	debian 12 / libpcp-pmda3-dev