doc: build: docker: Fix code highlighting syntax

Remove double :: before .. code-block:: bash to correctly highlight the
following commands.

Signed-off-by: Leonard Anderweit <l.anderweit@phytec.de>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

diff --git a/doc/build/docker.rst b/doc/build/docker.rst
index 01ed350..fe08765 100644 (file)
--- a/doc/build/docker.rst
+++ b/doc/build/docker.rst
@@ -28,7 +28,7 @@ fast amd64 (i.e. 64-bit x86) and arm64 machines is::
 And this will result in a builder named multiarch-multinode that will build
 each platform natively on each node.
 
-To build the image yourself::
+To build the image yourself:
 
 .. code-block:: bash