diff --git a/docs/plat/allwinner.rst b/docs/plat/allwinner.rst
index 46a5f9b..a1e0659 100644
--- a/docs/plat/allwinner.rst
+++ b/docs/plat/allwinner.rst
@@ -24,13 +24,13 @@
 
 To build for machines with an A64 or H5 SoC:
 
-::
+.. code:: shell
 
     make CROSS_COMPILE=aarch64-linux-gnu- PLAT=sun50i_a64 DEBUG=1 bl31
 
 To build for machines with an H6 SoC:
 
-::
+.. code:: shell
 
     make CROSS_COMPILE=aarch64-linux-gnu- PLAT=sun50i_h6 DEBUG=1 bl31