Grammar fixes in app-local-errors README
Grammar fixes in app-local-errors README

Change-Id: I217403a4a94f12b692a877418b34ed6a1cf8e142
Signed-off-by: Gunnar Mills <213d3186dd7abf62ec3e856bb92d7b256149744c@us.ibm.com>

openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging