diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c245b17b..c8b54b36d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].
 
 ### Added
 -   Added clr.GetClrType (#432)(#433)
--   Added `Foo` feature
 -   Allowed passing None for nullable args (#460)
+-   Added keyword arguments based on C# syntax for calling CPython methods (#461)
+
 
 ### Changed
 
diff --git a/README.md b/README.md
index da43abacd..7d12eafaf 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ from System.Windows.Forms import Form
     a `using (Py.GIL()) {/* Your code here */}` block.
 -   Import python modules using `dynamic mod = Py.Import("mod")`,
     then you can call functions as normal, eg `mod.func(args)`.
--   Use `mod.func(args, Py.kw("keywordargname", keywordargvalue))`
+-   Use `mod.func(args, Py.kw("keywordargname", keywordargvalue))` or `mod.func(args, keywordargname=keywordargvalue)`
     to apply keyword arguments.
 -   All python objects should be declared as `dynamic` type.
 -   Mathematical operations involving python and literal/managed types must
@@ -67,7 +67,7 @@ static void Main(string[] args)
         dynamic a = np.array(new List<float> { 1, 2, 3 });
         Console.WriteLine(a.dtype);
 
-        dynamic b = np.array(new List<float> { 6, 5, 4 }, Py.kw("dtype", np.int32));
+        dynamic b = np.array(new List<float> { 6, 5, 4 }, dtype=np.int32);
         Console.WriteLine(b.dtype);
 
         Console.WriteLine(a * b);