Minor spelling error

Author: dlzhry2nhs

.github/workflows/continuous-deployment.yml

@@ -15,7 +15,7 @@ jobs:
       sub_environment: internal-dev
 
   run-internal-dev-sandbox-tests:
-    # Technically the first step is not a pre-requisite - sandbox backed deployment is handled by APIM
+    # Technically the first step is not a pre-requisite - sandbox backend deployment is handled by APIM
     # Stipulating this condition simply makes it more likely the environment will be ready when tests are invoked
     needs: [deploy-internal-dev-backend]
     uses: ./.github/workflows/run-e2e-tests.yml