For more details on installing, using, or contributing

Co-authored-by: NicNomadic <[email protected]>

docs/overview/index.md

@@ -104,6 +104,8 @@ The framework for these layer 2 systems is enshrined in the layer 1 protocol. Al
 
 To start using and developing on Tezos, see [Tutorials](../tutorials).
 
-For learning material about the platform, see https://opentezos.com.
+For more details on installing, using, or contributing, to the platform, see the Octez documentation at https://tezos.gitlab.io/index.html.
+
+For interactive learning material (including exercises) about Tezos concepts, the underlying technology, application development, and the ecosystem, see https://opentezos.com.
 
 For other sources of information, see [Other resources and technical support](./resources).