diff --git a/firmware/README.md b/firmware/README.md
index 9a1eea4..b8312b7 100644
--- a/firmware/README.md
+++ b/firmware/README.md
@@ -4,7 +4,7 @@
 
 ### On Debian-based systems
 
-- install rustup
+- install [rustup](https://rustup.rs/)
 
 ```shell
 apt install gcc gcc-arm-none-eabi git-core