diff --git a/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md
index 7e74ca0ace..e63b7533a4 100644
--- a/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md
+++ b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md
@@ -1,3 +1,5 @@
+# What is new in Microsoft Defender Advanced Threat Protection for Mac
+
 ## 100.65.28
 
 - Added support for macOS Catalina