A "small blurb" refers to a brief and concise piece of writing, such as a paragraph or a few sentences, typically used to provide a quick summary or description of something. Full definition
«Her earlier positions only contain small blurbs about her work with a couple achievements highlighted,» Augustine notes. (businessinsider.com)
I wrote two small blurbs for the publishers to -LSB-...] Related posts: Author Interview: Thomas Welsh — Anna Undreaming Book Review: We Care For You by Paul Kitcatt Book Review: Katy Regnery Unloved Book Review: The Ruin by Dervla McTiernan Keeper of the Watch by Kristen L Jackson — Book Review... (amandajevans.com)
In early October, in small blurbs published in newspapers across the country (see this one from the Toronto Star), it was reported that the parties came to a settlement, agreeing to a new collective agreement. (slaw.ca)