diff --git a/csharp-advanced-topics/SourceGeneratorInCSharp/Generator/Diagnostics/DiagnosticsDescriptors.cs b/csharp-advanced-topics/SourceGeneratorInCSharp/Generator/Diagnostics/DiagnosticsDescriptors.cs
index f78feceeb0..dfcf6b6eb8 100644
--- a/csharp-advanced-topics/SourceGeneratorInCSharp/Generator/Diagnostics/DiagnosticsDescriptors.cs
+++ b/csharp-advanced-topics/SourceGeneratorInCSharp/Generator/Diagnostics/DiagnosticsDescriptors.cs
@@ -6,7 +6,7 @@ public static class DiagnosticsDescriptors
     {
         public static readonly DiagnosticDescriptor ClassWithWrongNameMessage
             = new("ERR001",                                        // id
-                "Worng name",                                      // title
+                "Wrong name",                                      // title
                 "The class '{0}' must be contains 'Model' prefix", // message
                 "Generator",                                       // category
                 DiagnosticSeverity.Error,