How to Respond to Reviewer 2 (From Someone Who Reviews Papers)

You got the email. The decision is "major revisions," and somewhere in the reviews is the one that made your stomach drop: the reviewer who seems to have read a different paper, missed your point, or asked for an experiment that would take another year.

Most authors don't realize that the letter they write back matters almost as much as the revision itself. A reviewer reading your response is deciding whether to recommend acceptance, and that decision turns less on whether you did everything they asked and more on whether you engaged with them seriously. From the reviewer's side of the desk, a good response letter is unmistakable. So is a bad one.

This is how to write the kind that gets a yes.

Start from what the reviewer is actually doing

A reviewer is not your adversary. They are an unpaid volunteer who read your paper closely enough to have detailed opinions about it, which already puts them ahead of most readers your work will ever have. Even the comment that feels unfair usually points at something real: if a smart reader misunderstood your claim, other readers will too. That misunderstanding is worth listening to.

Going in with that frame changes everything about your tone, and tone is what reviewers remember.

The structure that works

Write a separate response document, not just a cover letter. Reproduce every reviewer comment in full, then answer it directly beneath. Three habits make it easy to recommend acceptance:

Quote each comment, then respond. Never make the reviewer hunt for what you're addressing. Paste their point, then answer it.
Say exactly what you changed and where: "We have added this analysis (Section 3.2, lines 210 to 224, Table 2)." Point to the page. A reviewer who can verify your change in five seconds is a reviewer who moves on satisfied.
Number everything to match. If the reviewer numbered their points, mirror that numbering. If they didn't, impose your own and be consistent across all reviewers.

The unstated message of a well-structured response is I took this seriously and made it easy for you to confirm. That message does a surprising amount of the work.

How to disagree without losing the reviewer

You will not agree with every comment, and you don't have to. Reviewers do not expect total compliance. They expect to be taken seriously. When you disagree, disagree on evidence rather than opinion.

Acknowledge the point first ("The reviewer raises a fair concern about X").
Give your reasoning, grounded in your data or the literature, not in your preference.
Where you can, meet them partway: add a sentence to the limitations, soften a claim, or note the alternative interpretation even as you defend your own.

What reviewers react badly to is being dismissed, or being answered with assertion where they asked for evidence. "We disagree" lands very differently from "We see the concern; here is why the data point the other way." Same conclusion, opposite outcome.

When the reviewer asks for an experiment you can't do

This is the hardest case, and it's common in experimental fields. Sometimes a reviewer requests work that is out of scope, would take a season or a year, or isn't feasible with your materials. You have options short of refusing:

Explain concretely why it's beyond the current study, and mean it, because reviewers can tell the difference between a real constraint and an excuse.
Offer what you can do instead: a supplementary analysis, a clearer framing of the existing data, an explicit statement of the limitation, or a line positioning the requested work as a clear next step.
If the request rests on a misreading, that misreading is your problem to fix. Clarify the manuscript so the next reader doesn't make it.

Editors generally back a well-reasoned, evidence-based pushback. What they won't back is a dismissive one.

Tone, length, and the small things

Be unfailingly courteous, even to the unfair review. The reviewer holds a recommendation you want. Courtesy costs nothing and changes outcomes.
Thank them once, sincerely, and move on. There's no need to flatter every comment.
Address every single point. A skipped comment reads as evasion and is the fastest way to a second revision round.
Keep your answers tight. Reviewers are re-reading on their own time, so respect it.

Before you hit submit

Reread your revised manuscript as a whole, not just the changed lines. Revisions often introduce new inconsistencies between the abstract, results, and conclusions. Confirm that every "we have changed X" in your letter actually appears in the manuscript. And check that your responses to different reviewers don't contradict each other, because the editor reads all of them together.

Catch the issues before a reviewer has to

The best response letter is the one you never have to write, because the problem was fixed before submission. PeerPanel's free scan reads your manuscript the way a reviewer will, across methodology, statistics, literature, and baselines. It maps how many issues your paper has, how serious they are, and where they live, with every finding tied to a specific passage.

Fix what Reviewer 2 would have caught, before they catch it.

Frequently asked questions

How long should a response-to-reviewers letter be? As long as it takes to address every comment fully and no longer. Reproduce each comment, respond directly beneath it, and point to the exact location of each change. Thoroughness matters far more than brevity, but padding does not help.

Do I have to do everything the reviewer asks? No. You are expected to engage seriously with every comment, not to comply with every one. Where you disagree, say so respectfully and back it with evidence or reasoning. Reviewers and editors respect a well-argued pushback; they don't respect a dismissal.

How do I respond to a reviewer who clearly misunderstood my paper? Treat the misunderstanding as a problem with the manuscript, not the reviewer. If a careful reader misread your claim, revise the text so the next reader can't. Respond by clarifying what you changed, not by telling the reviewer they were wrong.

Should I respond to each reviewer separately? Yes. Address each reviewer's comments in their own section, but make sure your responses are consistent across reviewers, since the editor reads them all together. Contradicting yourself between reviewers is a common and avoidable mistake.

What if two reviewers ask for opposite things? Acknowledge the tension openly, explain the path you chose and why, and note that you've considered both perspectives. Editors understand that reviewers disagree; what they want to see is a reasoned decision, not silence on the conflict.