diff --git a/Source/Bind/CSharpSpecWriter.cs b/Source/Bind/CSharpSpecWriter.cs
index f6408605..248c6c69 100644
--- a/Source/Bind/CSharpSpecWriter.cs
+++ b/Source/Bind/CSharpSpecWriter.cs
@@ -384,7 +384,7 @@ namespace Bind
                     else
                     {
                         Console.Error.WriteLine(
-                            "[Warning] Parameter '{0}' in function '{1}' not found in documentation '{{{3}}}'",
+                            "[Warning] Parameter '{0}' in function '{1}' not found in documentation '{{{2}}}'",
                             param.Name, f.Name,
                             String.Join(",", docs.Parameters.Select(p => p.Name).ToArray()));
                         sw.WriteLine("/// <param name=\"{0}\">{1}</param>",