diff --git a/src/intro/install/macos.md b/src/intro/install/macos.md
index 9a797563..95ecaf64 100644
--- a/src/intro/install/macos.md
+++ b/src/intro/install/macos.md
@@ -9,7 +9,7 @@ All the tools can be installed using [Homebrew] or [MacPorts]:
 
 ``` text
 $ # GDB
-$ brew install armmbed/formulae/arm-none-eabi-gcc
+$ brew install arm-none-eabi-gdb
 
 $ # OpenOCD
 $ brew install openocd