The phrase "as a small note" is correct and usable in written English.
It can be used to introduce a minor point or observation that is not the main focus of the discussion.
Example: "As a small note, I would like to mention that the deadline has been extended by one week."
Alternatives: "as a brief remark" or "as a minor point".
As a small note, this is Kyle's last episode of CrunchWeek, and his last video with us at all.
Just as a small note– we're not affiliated with Yahoo or the Yahoo Live service in any meaningful way.
As a small note, I was wrong at the end of the show, as there will be no CrunchWeek next week.
In 1868, a letter issued by the Council of Riga in 1323 was published that contained a small note mentioning Vytenis as "the brother and predecessor" of Gediminas.
As a small production note, Skype was irksome during our recording session, and I, Alex, have a cold.
[As a small programming note, this week's episode was a bit more heated than usual, and does contain strong language.].
As a small programming note, Keen's microphone was a bit off during the first few seconds of this interview — so please bear with it, it kicks in eventually.
But it was easy too, in the 60s and 70s, even as a small child, to note uneasily that such riches were not nearly so apparent in the present.
In interviewing female-to-male transsexuals who have undergone either phalloplasty, in which a full-sized penis and testicles are constructed, or the more moderate metoidioplasty, in which the vagina is preserved and the clitoris is freed to act as a small penis, Bloom notes that she had expected to find self-hating women driven to mutilation.
She made me promise not to give away her special acupuncture technique, but suffice it to say that, for someone who as a small child had notes in her doctors' charts for having severely injured several attendings with direct kicks during shot administrations, my experience with having no fewer than 15 needle insertions in one sitting was relatively painless for both Michelle and me.
When King Abdullah appointed women to the advisory Shura Council for the first time in January 2013, al-Sharif criticized the reform as too small, noting that the Council was still not an elected body and could not pass legislation.
