The phrase "a documentary covering" is correct and usable in written English.
It can be used when describing the subject matter or themes that a documentary addresses or explores.
Example: "The documentary covering climate change highlights the urgent need for action to protect our planet."
Alternatives: "a documentary about" or "a documentary focusing on".
Their new album Holy Ghost is preluded by a documentary covering Lukens's struggle and also the passing of guitarist Jake Ewald's grandfather.
Based in Exeter and believed to have a Syrian father, Ghessen also launched a Kickstarter campaign to fund a documentary covering fighters on the frontline in Syria.
On this date, People Inc. presented a documentary covering his life, which was donated to the venue.
What started as a documentary covering up-and-coming contemporary jazz artists evolved into a celebration of the roots of the creative process.
And the Asian community was there too, most notably with China Heavyweight, a documentary covering the influence of boxing on Chinese youth.
Guy Martin's Spitfire (2014) was a Channel 4 documentary covering the two-year restoration of a Mark 1 Spitfire, N3200, coded 'QV', that had been buried beneath the sand for 46 years after crash landing on a French beach during the Dunkirk evacuation in 1940.
Gough earned his nickname when he completed a naked trek from Land's End to John O'Groats in 2003 and he featured in a BBC documentary covering his journey.
The chef's role will be revealed in a Channel 4 documentary covering his attempt to create "multi-sensory, gravity defying food".
Hail Columbia! was a short documentary covering the maiden voyage of the first space shuttle, with footage of the mission shot both on the ground and in space.
Previously unheard vocals from David Bowie's final release, Lazarus, and never before seen archive footage of the star will be aired for the first time in a BBC2 documentary covering the last five years of his life.
On September 28 , 2013 Sean released a 23-minute documentary covering the development and making of the album, which begun 269 days before the project's release.
