✨Your Unique StyleLesson 3 of 4

Custom Instructions That Work

12 min

expert

Custom instructions tell AI how to write before you even start a conversation. Getting these right means less correction needed in every session. Here's how to write custom instructions that actually work.

Key Concepts

1
Custom instructions persist across conversations
2
Start with your style guide essentials
3
Include: voice, priorities, common requests
4
Avoid: vague descriptors like 'good' or 'creative'
5
Test and iterate—first version won't be perfect

Examples

Prompt / Technique

Effective custom instruction:
'When writing fiction for me: Use short, punchy sentences for action. Use longer, flowing sentences for introspection. Dialogue should be terse—characters don't explain themselves. Avoid adverbs. Prefer showing emotion through action over stating it.'

Result / Insight

Specific, actionable instructions AI can follow

Prompt / Technique

Testing prompt: 'Write a short scene with these instructions active. I'll evaluate how well it matches my style.'

Result / Insight

Testing reveals what's working and what needs refinement

Try It Yourself

Write custom instructions for your writing style. Test them by asking AI to write a scene. Revise based on results.

Pro Tips

Priority order matters—put most important rules first

Sometimes 'don't do X' is clearer than 'do Y'

Include instructions for how to handle common scenarios

Review custom instructions monthly—update as your style evolves

Summary

Custom instructions are your style guide in active form. Write them specific, test them repeatedly, and iterate based on results.

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Creating Style Guides for AI

Iterating on Voice

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