Fine-tuning an LLM to write docs like it's 1995
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The cursor blinks, a stark white rectangle against a beige screen. You’re staring at a document, meticulously crafted, and it feels…wrong. Too polished. Too eager. It’s brimming with buzzwords and attempts at cleverness, a digital echo of a trend you actively reject. You want something different, something grounded, something that reads like it was written by a thoughtful engineer in 1995. It’s a surprisingly potent desire, and one that’s finding a surprising amount of traction with current large language models. Let's explore how to get an LLM to produce documentation that captures the style and tone of a bygone era.
The Aesthetic of Retro Tech
The late 90s were a unique time for software documentation. It wasn't about flashy visuals or interactive tutorials. It was about clarity, precision, and a deliberate, almost clinical, approach. Think dense, well-structured text, detailed explanations, and a focus on *how* things worked, rather than *why*. There was a certain reverence for the technical details, a belief that meticulousness was paramount. Modern LLMs, trained on a vast ocean of internet content, often default to a style that prioritizes accessibility and engagement – a style that can feel jarringly out of place when trying to emulate a specific historical aesthetic. The key isn’t simply asking the model to write “like 1995.” It’s understanding *what* made writing in that era distinctive and then feeding that understanding to the model.
Crafting the Prompt: Specificity is Your Friend
The biggest difference between a generic LLM response and one that captures the desired tone comes down to the prompt. Instead of a broad instruction like “Write documentation for a command-line utility,” you need to be incredibly specific. Start by outlining the desired voice. Instead of asking for "clear instructions," try phrasing it like, "Write instructions for a DOS-compatible utility, as if drafted by a systems programmer in 1995. Use a formal, technical tone, avoiding jargon and contractions. Assume the reader has a strong understanding of computer architecture and command-line interfaces."
Specifically, include details about the target audience’s assumed knowledge. For example, “Assume the reader is a systems administrator responsible for maintaining a Windows NT server.” This level of detail guides the model towards the appropriate vocabulary and sentence structure. You can even include examples of the *kind* of writing you're looking for. Feed it snippets of documentation from 1995 manuals – even better if they’re from specific software packages – to prime the model’s understanding.
Injecting Technical Detail - The Core of the Matter
1995 documentation wasn’t afraid of technical depth. It didn’t shy away from explaining the underlying mechanisms, even if the explanation was lengthy. Modern LLMs, often trained to summarize and simplify, might gloss over these details. To combat this, explicitly request the inclusion of technical explanations. For instance, if documenting a network protocol, ask the model to “explain the underlying TCP/IP stack and the process of establishing a connection, including error handling.”
Consider incorporating elements that were common in the era, like discussing memory management or interrupt handling, even if they're not immediately relevant to the current task. This forces the model to generate text that reflects the technical mindset of the time.
Controlling Sentence Structure and Vocabulary
The writing style of the 90s was characterized by long, complex sentences, a reliance on passive voice, and a deliberate avoidance of contractions. Modern LLMs are generally rewarded for concise and conversational language. To counteract this, you need to explicitly instruct the model to use a more formal and verbose style.
**Actionable Detail:** Experiment with adding phrases like “utilizing,” “in order to,” and “with regard to” to the prompt. Also, explicitly state that the model should avoid contractions (“don’t” should become “do not,” “it’s” should become “it is”). You can even add a sentence like, "Employ a predominantly passive voice construction where appropriate for clarity and precision.”
Iteration and Refinement – The Human Touch Remains
No LLM will perfectly nail the style on the first attempt. Expect to iterate, providing feedback and refining the prompt based on the model’s output. Don’t just accept the first draft. Ask the model to rewrite sections, focusing on specific aspects of the desired style – perhaps lengthening a sentence, adding a technical detail, or adjusting the tone.
**Example:** If the model produces a sentence like "The program connects to the database," you could instruct it to rewrite it as, “The program establishes a connection to the database utilizing the TCP/IP protocol, adhering to the established network stack architecture.”
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**Takeaway:** Creating documentation that evokes the style of 1995 isn't about simply asking an LLM to mimic a past era. It’s about understanding the *values* that underpinned that style – clarity, precision, technical depth, and a deliberate approach to communication – and then carefully guiding the model to embody those values through highly specific prompts and iterative refinement. The result is documentation that feels authentic, grounded, and remarkably…retro.
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