diff --git a/src/TypedSignalR.Client.TypeScript/InterfaceTranspiler.cs b/src/TypedSignalR.Client.TypeScript/InterfaceTranspiler.cs
index 84d5a59..a28e90b 100644
--- a/src/TypedSignalR.Client.TypeScript/InterfaceTranspiler.cs
+++ b/src/TypedSignalR.Client.TypeScript/InterfaceTranspiler.cs
@@ -233,7 +233,7 @@ private static void WriteJSDocMethodReturn(IMethodSymbol methodSymbol, XmlDocume
 
         if (returnSummaryLines.Length == 1)
         {
-            codeWriter.AppendLine($"    * @returns {returnSummaryLines} (Transpiled from {methodSymbol.ReturnType.ToDisplayString()})");
+            codeWriter.AppendLine($"    * @returns {returnSummaryLines[0]} (Transpiled from {methodSymbol.ReturnType.ToDisplayString()})");
             return;
         }