http://documentation-devel.engineering.redhat.com/docs/en-US/Red_Hat_Storage/2.1/html/Administration_Guide/ch12s02.html

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Hard Limit: It is the maximum disk space you can utilize on a volume / directory.

to

Hard Limit: It is the maximum disk space you can utilize on a volume or directory.

Note: "/" also corresponds to base of the volume. Hence we should be explicit here.
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Soft Limit: Soft limit is an attribute of a directory that is specified as a percentage of the hard limit. When the disk usage reaches the soft limit, the system begins to logs the disk space used by the directory.

to 

Soft Limit: Soft limit is an attribute of a directory that is specified as a percentage of the hard limit. When the disk usage reaches the soft limit, the system begins to log the disk space used by the directory.

Also, should specify the log name along with its location.
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Should specify the default soft limit, which is 80%
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(in MB/GB)

should be

(in MB/GB/TB/PB)
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