Update docs/docsite/rst/os_guide/intro_bsd.rst

Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <[email protected]>

Author: oraNod

docs/docsite/rst/os_guide/intro_bsd.rst

@@ -157,7 +157,7 @@ The playbook below
 
 displays the details
 
-.. code-block:: shell
+.. code-block:: ansible-output
 
   shell> ANSIBLE_STDOUT_CALLBACK=yaml ansible-playbook -i hosts playbook.yml