diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 264d98f0f..420cdb75b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -13,9 +13,9 @@ please follow the workflow explained in this document.
 * [Getting started with Git workflow](#getting-started-with-git-workflow)
   * [1. Clone Boost super-project](#1-clone-boost-super-project)
   * [2. Checkout Boost.GIL development branch](#2-checkout-boostgil-development-branch)
-  * [3. Fork Boost.GIL repository on GitHub](#4-fork-boostgil-repository-on-github)
-  * [4. Submit a pull request](#5-submit-a-pull-request)
-  * [5. Update your pull request](#6-update-your-pull-request)
+  * [3. Fork Boost.GIL repository on GitHub](#3-fork-boostgil-repository-on-github)
+  * [4. Submit a pull request](#4-submit-a-pull-request)
+  * [5. Update your pull request](#5-update-your-pull-request)
 * [Development](#development)
   * [Using Boost.Build](#using-boostbuild)
   * [Using CMake](#using-cmake)