diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1c3dd1b3b8..1e6e5c1909 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -7,12 +7,6 @@
    |
    <strong><a href="#running-tests">Running tests</a></strong>
    |
-   <strong><a href="#workflow">Workflow</a></strong>
-   |
-   <strong><a href="#dependencies">Dependencies</a></strong>
-   |
-   <strong><a href="#code-standards">Code Standards</a></strong>
-   |
    <strong><a href="#internals">Internals</a></strong>
 </p>
 
@@ -26,6 +20,8 @@ contributing, please read the
 
 ## Developing
 
+**Note:** Versions `< 5.1.10` can't be built.
+
 #### Setup
 
 ```sh