docs/start: fixes typo and empty headline in hardware recommendation docs

fixes typo and empty headline in hardware recommendation docs

Signed-off-by: Sebastian Schmid <mail@sebastian-schmid.de>
(cherry picked from commit 48421403119c87d4bfc62c76de7c5598ccabb0a2)

diff --git a/doc/start/hardware-recommendations.rst b/doc/start/hardware-recommendations.rst
index a4e1ef5e086857c55a2fd2348fbd1aff4666d25f..bf8eca4ba5df75a38d09981e3514a7c3f215a6d3 100644 (file)
--- a/doc/start/hardware-recommendations.rst
+++ b/doc/start/hardware-recommendations.rst
@@ -77,7 +77,7 @@ Metadata servers (ceph-mds)
 
 The metadata daemon memory utilization depends on how much memory its cache is
 configured to consume.  We recommend 1 GB as a minimum for most systems.  See
-`mds_cache_memory_limit`.
+``mds_cache_memory``.
 
 Memory
 ======
@@ -147,7 +147,7 @@ per gigabyte (i.e., $150 / 3072 = 0.0488). In the foregoing example, using the
 
 .. tip:: Running multiple OSDs on a single SAS / SATA drive
    is **NOT** a good idea.  NVMe drives, however, can achieve
-   improved performance by being split into two more more OSDs.
+   improved performance by being split into two or more OSDs.
 
 .. tip:: Running an OSD and a monitor or a metadata server on a single 
    drive is also **NOT** a good idea.