Update README.md

Author: dkwon17

README.md

@@ -70,7 +70,7 @@ OLM is pre-installed on OpenShift.
 #### Adding the DevWorkspace Operator catalog source
 
 If the DevWorkspace Operator is not already available amongst the `PackageManifests` (use command
-`kubectl get packagemanifest -n olm | grep devworkspace` to check it) you add should add a `CatalogSource` in the
+`kubectl get packagemanifest -n olm | grep devworkspace` to check it) you should add a `CatalogSource` in the
 cluster:
 
 ```bash