Fix readme for the new test

Author: xylar

components/mpas-ocean/cime_config/testdefs/testmods_dirs/mpaso/conservation_check/README

@@ -4,7 +4,5 @@ wasintroduced in MPAS-Ocean PR #4521 and has been made a stealth feature in
 
     config_AM_conservationCheck_enable = .true.
 
-However, it shoudl be noted that MPAS-Ocean history files are not currently
-included in E3SM testing so non-BFB results will not be detected unless one
-manually changes to 'compname="mpaso" exclude_testing="false"' in the file
-cime_config/config_archive.xml.
+However, it should be noted that MPAS-Ocean history files are not currently
+included in E3SM testing so non-BFB results will not be detected.