Update 3.1.15.md

release-notes/3.1/3.1.15/3.1.15.md

@@ -58,12 +58,6 @@ The following repos have been updated.
 
 .NET Core 3.1.15 release carries both security and non-security fixes.
 
-# Microsoft Security Advisory CVE-2021-31204 | .NET Core Elevation of Privilege Vulnerability
-
-Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0 and .NET Core 3.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
-
-An elevation of privilage vulnerability exists in .NET 5.0 and .NET Core 3.1 when a user runs a single file application on Operating Systems based on Linux or macOS.
-
 * [Blog Roundup][dotnet-blog]
 * [Known issues](../3.1-known-issues.md)
 
@@ -73,6 +67,13 @@ An elevation of privilage vulnerability exists in .NET 5.0 and .NET Core 3.1 whe
 * [ASP.NET](https://github.com/dotnet/aspnetcore/pulls?q=milestone%3A3.1.15+is%3Aclosed+label%3Aservicing-approved)
 * [Extensions](https://github.com/dotnet/extensions/pulls?q=milestone%3A3.1.15+is%3Aclosed+label%3Aservicing-approved)
 
+
+### Microsoft Security Advisory CVE-2021-31204 | .NET Core Elevation of Privilege Vulnerability
+
+Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0 and .NET Core 3.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
+
+An elevation of privilage vulnerability exists in .NET 5.0 and .NET Core 3.1 when a user runs a single file application on Operating Systems based on Linux or macOS.
+
 ## macOS Notarization Change
   Running "dotnet build" will generate a dll instead of a dylib on macOS. This is a planned change to not use the AppHost by default on macOS because of [notarization requirements](https://docs.microsoft.com/dotnet/core/install/macos-notarization-issues). If you want to opt into using the AppHost, add the following to your project file:
 ```