diff --git a/docs/core/tools/sdk-errors/netsdk1238.md b/docs/core/tools/sdk-errors/netsdk1238.md
index 18fc84be849f5..dc07e6c540b70 100644
--- a/docs/core/tools/sdk-errors/netsdk1238.md
+++ b/docs/core/tools/sdk-errors/netsdk1238.md
@@ -15,6 +15,9 @@ This warning indicates that the .NET SDK used to build your project has one or m
 
 To resolve the warning, install a patched .NET SDK from <https://dotnet.microsoft.com/download> and update your `global.json` (if present) to select the new version.
 
+> [!NOTE]
+> This check is available in .NET 11 Preview 5 and later versions.
+
 ## How the check works
 
 The check is opt-in and only runs when the MSBuild property `CheckSdkVulnerabilities` is set to `true`:
diff --git a/docs/core/tools/sdk-errors/netsdk1239.md b/docs/core/tools/sdk-errors/netsdk1239.md
index 3b7e3cc15c9e6..d2eee11625f96 100644
--- a/docs/core/tools/sdk-errors/netsdk1239.md
+++ b/docs/core/tools/sdk-errors/netsdk1239.md
@@ -17,6 +17,9 @@ To resolve the warning, install a supported .NET SDK from <https://dotnet.micros
 
 This warning is distinct from [NETSDK1138](netsdk1138.md), which is raised when your project's *target framework* is out of support. NETSDK1239 is raised when the *SDK that runs the build* is out of support, regardless of which framework you target.
 
+> [!NOTE]
+> This check is available in .NET 11 Preview 5 and later versions.
+
 ## How the check works
 
 The check is opt-in and only runs when the MSBuild property `CheckSdkVulnerabilities` is set to `true`:
diff --git a/docs/core/tools/sdk-errors/netsdk1240.md b/docs/core/tools/sdk-errors/netsdk1240.md
index 2f638297332d4..89c6154bdcd9f 100644
--- a/docs/core/tools/sdk-errors/netsdk1240.md
+++ b/docs/core/tools/sdk-errors/netsdk1240.md
@@ -15,6 +15,9 @@ This warning indicates that the feature band of the .NET SDK used to build your
 
 A .NET SDK version has the form `<major>.<minor>.<feature-band><patch>` (for example, `8.0.404`, where `4xx` is the feature band). When the recommended servicing path moves to a different feature band, the older band stops receiving updates. To resolve the warning, install the recommended .NET SDK version from <https://dotnet.microsoft.com/download> and update your `global.json` (if present) to select it.
 
+> [!NOTE]
+> This check is available in .NET 11 Preview 5 and later versions.
+
 ## How the check works
 
 The check is opt-in and only runs when the MSBuild property `CheckSdkVulnerabilities` is set to `true`: