The one line I add to every summary prompt that stopped the generic output
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A Reddit user shares a single line they add to summary prompts to avoid generic outputs, transforming summaries from "book jacket" style to more insightful analyses. This addition helps surface buried assumptions, conflicting data, or contradictions within the material, often highlighting details the user might otherwise miss. The user asks what single line others use in their prompts for significant impact.
Most of my "summarize this" results used to read like a book jacket. Technically correct, totally useless for actually using the material.
The line that changed it: "Tell me what a careful reader would notice that a skim would miss."
That's it. Instead of the safe overview, it starts surfacing the buried assumption, the number that doesn't line up with the claim, the section that contradicts an earlier one. Roughly half the time it flags something I'd have missed on my own read.
I usually pair it with a second ask: "Now organize those into the three or four points I'd actually lead with if I had to present this." So the first pass finds the substance and the second pass gives me the structure.
Works on long PDFs, meeting transcripts, research threads, anything dense.
What's the single line in your prompt that does the most heavy lifting?