diff --git a/source/ethereum-clients/cpp-ethereum/index.rst b/source/ethereum-clients/cpp-ethereum/index.rst
index 11af6a5a..69bf3f0d 100644
--- a/source/ethereum-clients/cpp-ethereum/index.rst
+++ b/source/ethereum-clients/cpp-ethereum/index.rst
@@ -12,6 +12,12 @@ cpp-ethereum
     :height: 200px
     :width: 200px
 
+!!! OUTDATED DOCUMENTATION !!!
+================================================================================
+
+For actual documentation, please visit the project:
+
+https://github.com/ethereum/aleth
 
 Quick Start
 ================================================================================
@@ -37,4 +43,4 @@ Details
    contributing.rst
    architecture.rst
    portability.rst
-   running.rst
\ No newline at end of file
+   running.rst