Update phishing-triage-agent.md

Author: guywi-ms

defender-xdr/phishing-triage-agent.md

@@ -30,7 +30,7 @@ appliesto:
 [!INCLUDE [Microsoft Defender XDR rebranding](../includes/microsoft-defender.md)]
 
 > [!IMPORTANT]
-> Microsoft Security Copilot Phishing Triage Agentis currently in PREVIEW.
+> Microsoft Security Copilot Phishing Triage Agent is currently in PREVIEW.
 > This information relates to a prerelease product that may be substantially modified before it's released. Microsoft makes no warranties, expressed or implied, with respect to the information provided here.
 
 Phishing remains one of the most prevalent and persistent entry points for cyberattacks, and a major operational burden for security operations center (SOC) teams. Every day, analysts are inundated with user-reported suspicious emails, each demanding careful investigation and triage. The sheer volume slows response, drains resources, and increases the risk of real threats slipping through the cracks.