Update docs/ssms/release-notes-ssms-19.md

Co-authored-by: Randolph West MSFT <97149825+rwestMSFT@users.noreply.github.com>

Author: erinstellato-ms

docs/ssms/release-notes-ssms-19.md

@@ -43,7 +43,7 @@ SSMS 19 Preview 4 is the latest preview release of SSMS. If you need an earlier
 | General SSMS | Added a settings page in **Tools > Output** to control what window channels appear in the Output window. |
 | Ledger | Added support for import/export of a bacpac or dacpac created from a database with LEDGER = ON. |
 | Maintenance Plan | The Maintenance Plan node is now available in Object Explorer. |
-| Security | Introduced support for more Azure AD (AAD) authentication types. |
+| Security | Introduced support for more Azure AD authentication types. |
 | Showplan | Added DOPFeedbackAdjusted query plan attribute. |
 | SqlParser | Added support for TRIM function. |