diff --git a/meta-arm-bsp/documentation/musca-b1.md b/meta-arm-bsp/documentation/musca-b1.md
index 9fde10a6..a9af03f5 100644
--- a/meta-arm-bsp/documentation/musca-b1.md
+++ b/meta-arm-bsp/documentation/musca-b1.md
@@ -19,7 +19,7 @@ To build for Zephyr:
 ```bash$ bitbake zephyr-philosophers```
 
 To build the trusted firmware-m (and not Zephyr):
-```bash$ bitbake trusted-frimware-m```
+```bash$ bitbake trusted-firmware-m```
 
 ## Running
 To run Zephyr on the QEMU based machine, execute the following command