> For the complete documentation index, see [llms.txt](https://docs.rplpeptides.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rplpeptides.com/docs/glossary/documentation-terms/revision.md).

# Revision

## Definition

A revision is an updated version of a document that incorporates changes, corrections, or additions while maintaining a clear record of what changed and why.

## Overview

Document revisions are a fundamental part of quality systems. Each revision is tracked with a unique number or date, and a revision history is maintained to log what changed, when, and by whom.

## Technical Explanation

**Revision Numbering:**

* Sequential: 1.0, 1.1, 2.0 (major.minor)
* Date-based: 2026-07-01, 2026-07-18
* Code-based: A, B, C, or Rev 01, Rev 02

**Revision Triggers:**

* Specification changes
* Method updates (new HPLC method, improved MS parameters)
* Regulatory requirements
* Error corrections
* Product changes (new salt form, new packaging)

**Revision History Section:** Each document should include a revision history table:

| Rev | Date | Description | Author |
| --- | ---- | ----------- | ------ |

## Importance in Peptide Documentation

Always use the current revision of a document. Revisions to TDS, COA, or SDS documents may reflect important changes in specifications or safety information that affect experimental design or handling procedures.

## Related Terms

* [Version Control](/docs/glossary/documentation-terms/version-control.md)
* [Document ID](/docs/glossary/documentation-terms/document-id.md)
* [Document Traceability](/docs/glossary/documentation-terms/document-traceability.md)

## Frequently Asked Questions

**Q: How do I know if I have the latest revision?** A: Check the revision date or version number on the document. RPL Peptide publishes the current revision date on all documentation. Contact the supplier if unsure.

**Q: What does a major vs. minor revision mean?** A: Major revisions (e.g., 2.0) typically involve significant changes like new specifications or methods. Minor revisions (e.g., 1.1) include corrections, formatting updates, or clarifications.


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