Update CHANGELOG.md remove validAfter from CHANGELOG.

Co-authored-by: BigBlueHat <[email protected]>

Author: aljones15

CHANGELOG.md

@@ -5,7 +5,7 @@
 ### Added
 - Add support for VC 2.0 Verifiable Credentials issuance and verification.
 - Add support for VC 2.0 Verifiable Presentations issuance and verification.
-- Add support for VC 2.0 `validUntil` and `validAfter`.
+- Add support for VC 2.0 `validFrom` and `validUntil`.
 - Add Test vectors for VC 2.0 VCs & VPs.
 
 ### Changed