apps/nshlib:  Remove non-existent CONFIG_NSH_TMPDIR from README.txt
@@ -1494,12 +1494,10 @@ NSH-Specific Configuration Settings
is then set output of myprogram on stdout. Because this feature commits
significant resources, it is disabled by default.
- * CONFIG_NSH_TMPDIR
- If CONFIG_NSH_CMDPARMS is selected, then function output will be retained
- in a temporary file. In that case, this string must be provided to
- specify the full path to a directory where temporary files can be
- created. This would be a good application of RAM disk: To provide
- temporary storage for function output.
+ The CONFIG_NSH_CMDPARMS interim output will be retained in a temporary
+ file. Full path to a directory where temporary files can be created is
+ taken from CONFIG_LIBC_TMPDIR and it defaults to /tmp if
+ CONFIG_LIBC_TMPDIR is not set.
* CONFIG_NSH_MAXARGUMENTS
The maximum number of NSH command arguments. Default: 6
