Correct indentation of the code in the example (#61622) (#61727)

docs/docsite/rst/user_guide/playbooks_blocks.rst

@@ -15,11 +15,11 @@ Blocks allow for logical grouping of tasks and in play error handling. Most of w
       block:
         - name: install httpd and memcached
           yum:
-          name: "{{ item }}"
-          state: present
-        loop:
+            name:
             - httpd
             - memcached
+            state: present
+
         - name: apply the foo config template
           template:
             src: templates/src.j2