diff --git a/docs/compilers/CSharp/Compiler Breaking Changes - DotNet 9.md b/docs/compilers/CSharp/Compiler Breaking Changes - DotNet 9.md
index 18c53677ef6ba..b55219afc9584 100644
--- a/docs/compilers/CSharp/Compiler Breaking Changes - DotNet 9.md	
+++ b/docs/compilers/CSharp/Compiler Breaking Changes - DotNet 9.md	
@@ -2,11 +2,13 @@
 
 ## .editorconfig values no longer support trailing comments
 
-***Introduced in Visual Studio 2022 version [TBD]***
+***Introduced in Visual Studio 2022 version 17.[TBD]***
 
 The compiler is updated based on the EditorConfig specification clarification in
-[editorconfig/specification#31](https://github.com/editorconfig/specification/pull/31). This changes the way values are
-passed to analyzers for lines with the following form:
+[editorconfig/specification#31](https://github.com/editorconfig/specification/pull/31). Following this change, comments
+in **.editorconfig** and **.globalconfig** files must now appear on their own line. Comments which appear at the end of
+a property value are now treated as part of the property value itself. This changes the way values are passed to
+analyzers for lines with the following form:
 
 ```ini
 [*.cs]
@@ -16,7 +18,7 @@ key2 = value2 ; text2
 
 The following table shows how this change affects values passed to analyzers:
 
-| EditorConfig line | New compiler interpretation | Old interpretation |
-| ----------------- | --------------------------- | ------------------ |
-| `key = value # text` | `value # text`           | `value`            |
-| `key2 = value2 ; text2` | `value2 ; text2`           | `value2`            |
+| EditorConfig line       | New compiler interpretation | Old interpretation |
+| ----------------------- | --------------------------- | ------------------ |
+| `key = value # text`    | `value # text`              | `value`            |
+| `key2 = value2 ; text2` | `value2 ; text2`            | `value2`           |
diff --git a/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs b/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
index 8015127cc8470..368e8df9310b4 100644
--- a/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
+++ b/src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerConfigTests.cs
@@ -1003,12 +1003,13 @@ public void EditorConfigToDiagnosticsIgnoresCommentLikeText(string delimiter)
             configs.Add(Parse($@"
 [*.cs]
 dotnet_diagnostic.cs000.severity = error {delimiter} ignored text
+dotnet_diagnostic.cs001.severity = warning {delimiter} ignored text
 ", "/.editorconfig"));
 
             var options = GetAnalyzerConfigOptions(["/test.cs"], configs);
             configs.Free();
 
-            Assert.Equal([CreateImmutableDictionary(("cs000", ReportDiagnostic.Error))], Array.ConvertAll(options, o => o.TreeOptions));
+            Assert.Equal([CreateImmutableDictionary(("cs000", ReportDiagnostic.Error), ("cs001", ReportDiagnostic.Warn))], Array.ConvertAll(options, o => o.TreeOptions));
         }
 
         [Fact]