Merge pull request #398 from smallstep/carl/enrollment-guide

Fixes a subtle enrollment guide bug

Author: tashian

platform/enrollment-guide.mdx

@@ -61,8 +61,8 @@ you can deploy the Smallstep Agent to your endpoints
 to enable high-assurance protections.
 
 Devices synced from an MDM inventory
-are automatically approved,
-but they will not be marked as high-assurance
+are not automatically approved,
+and they will not be marked as high-assurance
 until Smallstep receives an attestation from the device.
 
 For a concrete example,