diff --git a/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
index 6d926cadf6..0a0076523d 100644
--- a/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
@@ -24,7 +24,7 @@ ms.date: 11/19/2018
 - Windows 8.1 Enterprise
 - [Windows Defender Advanced Threat Protection (Windows Defender ATP)](https://wincom.blob.core.windows.net/documents/Windows10_Commercial_Comparison.pdf)
 
-[!include[Prerelease information](prerelease.md)]
+[!include[Prerelease information](prerelease.md)]
 
 >Want to experience Windows Defender ATP? [Sign up for a free trial.](https://www.microsoft.com/en-us/WindowsForBusiness/windows-atp?ocid=docs-wdatp-downlevel-abovefoldlink)