diff --git a/src/Ben.Demystifier/ResolvedMethod.cs b/src/Ben.Demystifier/ResolvedMethod.cs
index c6a50cf..a2d31ec 100644
--- a/src/Ben.Demystifier/ResolvedMethod.cs
+++ b/src/Ben.Demystifier/ResolvedMethod.cs
@@ -50,7 +50,7 @@ namespace System.Diagnostics
 
         public override string ToString() => Append(new StringBuilder()).ToString();
 
-        internal StringBuilder Append(StringBuilder builder)
+        public StringBuilder Append(StringBuilder builder)
         {
             if (IsAsync)
             {
diff --git a/src/Ben.Demystifier/ResolvedParameter.cs b/src/Ben.Demystifier/ResolvedParameter.cs
index 038d1f4..47c8b48 100644
--- a/src/Ben.Demystifier/ResolvedParameter.cs
+++ b/src/Ben.Demystifier/ResolvedParameter.cs
@@ -16,7 +16,7 @@ namespace System.Diagnostics
 
         public override string ToString() => Append(new StringBuilder()).ToString();
 
-        internal StringBuilder Append(StringBuilder sb)
+        public StringBuilder Append(StringBuilder sb)
         {
             if (ResolvedType.Assembly.ManifestModule.Name == "FSharp.Core.dll" && ResolvedType.Name == "Unit")
                 return sb;