[PATCH datacenter-manager] docs: local-zfs: fix up hardware raid warning admonition

[Christoph Heiss <c.heiss@proxmox.com>]

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Seems this instance was simply overlooked during the recent formatting
fixes for this section.

 docs/local-zfs.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/local-zfs.rst b/docs/local-zfs.rst
index 9b824cc..170ab9b 100644
--- a/docs/local-zfs.rst
+++ b/docs/local-zfs.rst
@@ -37,9 +37,9 @@ high quality ECC RAM.
 If you use a dedicated cache and/or log disk, you should use an enterprise class SSD (for example,
 Intel SSD DC S3700 Series). This can increase the overall performance significantly.
 
-IMPORTANT: Do not use ZFS on top of a hardware controller which has its own cache management. ZFS
-needs to directly communicate with disks. An HBA adapter or something like an LSI controller flashed
-in ``IT`` mode is recommended.
+.. IMPORTANT:: Do not use ZFS on top of a hardware controller which has its own cache management. ZFS
+  needs to directly communicate with disks. An HBA adapter or something like an LSI controller flashed
+  in ``IT`` mode is recommended.
 
 
 ZFS Administration
-- 
2.52.0