Writing Concise Documentation: Say More with Fewer Words

Concise Documentation Saves Everyone Time

Developers read documentation to solve problems quickly. Every unnecessary word adds friction. Concise writing is not about removing detail — it is about presenting the right detail efficiently. When you write less, readers understand more.

This guide provides actionable techniques for cutting documentation length while improving clarity.

Principle 1: Lead With the Answer

Pattern: Problem → Explanation → Answer

Many documentation writers build up to the answer. Readers want the answer first.

❌ When working with arrays in JavaScript, you may encounter situations where
you need to transform each element. The `map()` method creates a new array
by applying a function to every element of the original array.

✅ Use `Array.map()` to transform every element in an array:

The concise version states the solution immediately. Context follows only if needed.

Pattern: Before/After Statements

When documenting a change or migration, show the result before explaining why:

❌ The old configuration format used YAML, but we've migrated to TOML
for better type support. Your config file should now look like this:

✅ Configuration is now TOML:
```toml
[database]
host = "localhost"
port = 5432

Previously this was YAML. See Migration Guide for details.

## Principle 2: Eliminate Filler Phrases

These phrases add words without adding information:

| Filler Phrase | Concise Replacement |
|--------------|-------------------|
| "In order to" | "To" |
| "It is important to note that" | Remove entirely |
| "As a matter of fact" | Remove entirely |
| "Due to the fact that" | "Because" |
| "At this point in time" | "Now" |
| "For the purpose of" | "To" |
| "In the event that" | "If" |
| "There is/are" | Restructure |
| "It should be noted that" | Remove entirely |

### Example

```markdown
❌ It is important to note that in order to configure the database,
you need to ensure that the connection string is set in the event
that you are using a remote server.

✅ Set the connection string for remote database connections.

Three sentences become one. The meaning is identical.

Principle 3: Use Lists Instead of Paragraphs

Lists are scannable. Paragraphs are not. When you have three or more related items, use a list.

❌ The API supports several authentication methods including API keys,
OAuth 2.0 bearer tokens, and HMAC signatures. API keys are the simplest
to implement. OAuth 2.0 is recommended for user-facing applications.
HMAC signatures provide the highest security for server-to-server calls.

✅ Supported authentication methods:

- **API keys** — simplest to implement
- **OAuth 2.0** — recommended for user-facing apps
- **HMAC signatures** — highest security for server-to-server calls

The list version is 40% shorter and easier to scan.

Principle 4: One Idea Per Sentence

Long sentences with multiple clauses force re-reading. Break them apart.

❌ The linter checks your code for style violations and will
automatically fix issues when you pass the --fix flag, although
some violations require manual intervention.

✅ The linter checks for style violations. Pass `--fix` to auto-fix
most issues. Some violations require manual fixes.

Each sentence carries one idea. The reader processes each step before moving to the next.

Principle 5: Active Voice

Passive voice hides the actor and adds words:

❌ The configuration file is parsed by the application on startup.
✅ The application parses the configuration file on startup.

❌ It is recommended that HTTPS be used in production.
✅ Use HTTPS in production.

Active voice is shorter and clearer. Reserve passive voice for when the actor genuinely doesn't matter.

Practical Editing Workflow

Pass 1: Cut Filler

Search for the filler phrases listed above. Remove or replace each one.

Pass 2: Convert Paragraphs to Lists

Find any paragraph with three or more parallel items. Convert to a bulleted list.

Pass 3: Shorten Sentences

Find sentences over 25 words. Split them.

Pass 4: Eliminate Redundancy

Find repeated information. Keep it once, in the most relevant section.

Pass 5: Verify Completeness

After cutting, re-read to ensure no essential information was removed. Concise writing must remain accurate.

Measuring Conciseness

Track your documentation's density with these metrics:

Key Takeaways

• Lead with the answer — readers scan, they don't read linearly
• Eliminate filler phrases like "in order to" and "it is important to note"
• Convert paragraphs with 3+ items into scannable lists
• One idea per sentence — split long sentences at conjunctions
• Prefer active voice for shorter, clearer sentences
• Follow a structured editing workflow: cut filler, convert to lists, shorten sentences, remove redundancy, verify completeness

Try It Yourself

Measure and improve your documentation's conciseness with our free Word Counter. Paste any text to instantly see word count, character count, average sentence length, and estimated reading time — all processed locally in your browser.

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