diff --git a/src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagonsticHandlerProvider.cs b/src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagnosticHandlerProvider.cs
similarity index 92%
rename from src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagonsticHandlerProvider.cs
rename to src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagnosticHandlerProvider.cs
index c5842590e6218..e6bb96df420cd 100644
--- a/src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagonsticHandlerProvider.cs
+++ b/src/Features/LanguageServer/Protocol/Handler/Diagnostics/DocumentPullDiagnosticHandlerProvider.cs
@@ -13,14 +13,14 @@ namespace Microsoft.CodeAnalysis.LanguageServer.Handler.Diagnostics
 {
     [ExportRoslynLanguagesLspRequestHandlerProvider, Shared]
     [ProvidesMethod(VSInternalMethods.DocumentPullDiagnosticName)]
-    internal class DocumentPullDiagonsticHandlerProvider : AbstractRequestHandlerProvider
+    internal class DocumentPullDiagnosticHandlerProvider : AbstractRequestHandlerProvider
     {
         private readonly IDiagnosticService _diagnosticService;
         private readonly IDiagnosticAnalyzerService _analyzerService;
 
         [ImportingConstructor]
         [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
-        public DocumentPullDiagonsticHandlerProvider(
+        public DocumentPullDiagnosticHandlerProvider(
             IDiagnosticService diagnosticService,
             IDiagnosticAnalyzerService analyzerService)
         {