Update README.md

Co-authored-by: Adrian Bettridge-Wiese <[email protected]>

Author: NullVoxPopuli

README.md

@@ -1,6 +1,6 @@
 # MAINTENANCE MODE
 
-ember-cli-typescript will no logner be updated unless necesary  - ec-ts is no longer needed and all available features are configurable in userland.
+ember-cli-typescript will no longer be updated unless necessary  - ec-ts is no longer needed and all available features are configurable in userland.
 
 See the official TypeScript docs on the ember guides website here: https://guides.emberjs.com/release/typescript/ 
 This section of the docs has details for getting started with TypeScript, beyond what is laid out here.