diff --git a/docs/plat/meson-gxbb.rst b/docs/plat/meson-gxbb.rst
index cae11cd..2cd8342 100644
--- a/docs/plat/meson-gxbb.rst
+++ b/docs/plat/meson-gxbb.rst
@@ -15,7 +15,7 @@
 
 In order to build it:
 
-::
+.. code:: shell
 
     CROSS_COMPILE=aarch64-linux-gnu- make DEBUG=1 PLAT=gxbb bl31