Merge branch 'master' of https://code.arm.gov/lasso/containers/lasso-o_shcu

README.md

 # ARM LASSO-O Shallow Convection Image
 This repo contains the materials required to build and publish a self-contained
-LASSO-O Shallow Convection Docker image.  It can be used sed to run LASSO-O from a Docker or
+LASSO-O Shallow Convection Docker image.  It can be used to run LASSO-O from a Docker or
 Singularity environment.
 
 See run-lasso-o_shcu for instructions on how to use this image.