diff --git a/README.md b/README.md
index c0a0d04..d95106e 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ The CPU will have ports for inputs / outputs, not a north and south bridge.
 ### Core architecture
 
 ![Computer diagram.](/Documents/Computer%20diagram.svg)
-Made with [Drawio](https://app.diagrams.net/).
+<sub>Made with [Drawio](https://www.drawio.com/).</sub>
 
 ### Registers and memory map.