Fix typos in readme

Author: Kevin Nguyen

README.md

@@ -1,6 +1,6 @@
 # DevCenter Catalog
 
-This repository serves as a quick-start catalog that could be attached to the Dev Center resource in Microsoft Azure, for use in Microsoft Dev Box or Azure Deployment Environments. You may choose to attach this repository as a catalog that provides sample teamplates to enable experiences such as customizing a Dev Box using Tasks or creating Deployment Environments using Environment Definitions.
+This repository serves as a quick-start catalog that could be attached to the DevCenter resource in Microsoft Azure, for use in Microsoft Dev Box or Azure Deployment Environments. You may choose to attach this repository as a catalog that provides sample templates to enable experiences such as customizing a Dev Box using Tasks or creating Deployment Environments using Environment Definitions.
 
 ## Contributing