diff --git a/README.md b/README.md
index 1287b7a..778ef47 100644
--- a/README.md
+++ b/README.md
@@ -37,3 +37,5 @@
 ## Documentation
 
 For more information about Mbed OS, please see [our published documentation](https://os.mbed.com/docs/latest). It includes published Doxygen for our APIs, step-by-step tutorials, porting information and background reference materials about our architecture and tools.
+
+To contribute to this documentation, please see the [mbed-os-5-docs repo](https://github.com/ARMmbed/mbed-os-5-docs).