"some brief comments" is correct and usable in written English.
It can be used whenever you want to mention a few short remarks or opinions on a topic. For example: - "I would like to share some brief comments on the latest project proposal." - "The speaker asked for some brief comments from the audience." - "Before we move on to the next agenda item, does anyone have any brief comments to add?".
The conversation will begin with some brief comments by a discussant, before opening up to the entire workshop for discussion.
Some designs have a block diagram, corresponding to the VHDL design code and some brief comments to help explain the code.
They didn't have much to go on: a terse statement from the Australian and New Zealand governments, and some brief comments from an unnamed intelligence source.
Although the main emphasis is placed on linear materials, some brief comments are also given on the effect of chemical crosslinking on the structure property behavior of segmented polyurethanes.
Rothschild's other conclusions and recommendations included some brief comments on the coordinating role of the Government's Chief Scientific Adviser (VI); note that this refers to research coordination, not to coordination of policy advice.
But Bush's speechwriters also threw in some brief comments on some of the hot-button domestic issues on the White House's agenda as Congress returns to Washington after Labor Day.
Very occasionally, also, I use this blue circle to make some brief comment.
This study also yielded a number of additional findings that deserve some brief comment.
There are a number of additional findings that require some brief comment.
While this study is not designed to be mechanistic in nature, some brief comment on this issue may be appropriate, in part for its relevance to the consideration of possibly aetiologically causal pathways.
Such was the case this morning, when Stephen Elop made some very brief comments in which he affirmed the company's commitment to Windows Phone (not news!), and didn't outright deny that it would be launching its newest device in September (ummmm yeah).
