diff --git a/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs b/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs
index 092b1c0..e8b43f7 100644
--- a/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs
+++ b/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs
@@ -153,7 +153,7 @@ public PropertyInt13Attribute() : base(typeof(Int13)) { }
     }
 
     [PropertyInt13]
-    public bool This_passes(int i) => i == 13;
+    public bool This_passes(int thirteen, [Five] int five) => thirteen == 13 && five == 5;
 
     public class PropertiesInt13Attribute : PropertiesAttribute
     {
@@ -164,7 +164,7 @@ public PropertiesInt13Attribute() : base(typeof(Int13)) { }
     public class ___
     {
         [Property]
-        public bool This_also_passes(int i) => i == 13;
+        public bool This_also_passes(int thirteen, [Five] int five) => thirteen == 13 && five == 5;
     }
 }
 
diff --git a/readme.md b/readme.md
index ccba702..7554fda 100644
--- a/readme.md
+++ b/readme.md
@@ -54,13 +54,13 @@ Extends xUnit's `Fact` to call Hedgehog's `property`.
 * [`[<Properties>]`](#-properties)
 Configures all [`Property`](#-property) tagged tests in a module or class.
 * [`GenAttribute`](#-genattribute)
-Set a parameter's generator.
+Extend this attribute to set a parameter's generator.
 * [`[<Recheck>]`](#-recheck)
 Run a test with a specific `Size` and `Seed`.
 
 ### 🔖 `[<Property>]`
 
-Methods with `[<Property>]` have their arguments generated by [`GenX.auto`](https://github.com/hedgehogqa/fsharp-hedgehog-experimental/#auto-generation), unless the argument is decorated with a subclass of [`GenAttribute`](#-genattribute).
+Methods with `[<Property>]` have their arguments generated by [`GenX.auto`](https://github.com/hedgehogqa/fsharp-hedgehog-experimental/#auto-generation).
 
 ```f#
 type ``class with a test`` (output: Xunit.Abstractions.ITestOutputHelper) =
@@ -285,20 +285,24 @@ module __ =
 Consider extending `PropertyAttribute` or `PropertiesAttribute` to hardcode commonly used arguments.
 
 ```f#
+type Int5() =
+  inherit GenAttribute<int>()
+  override _.Generator = Gen.constant 5
+  
 type Int13 = static member __ = GenX.defaults |> AutoGenConfig.addGenerator (Gen.constant 13)
 
 type PropertyInt13Attribute() = inherit PropertyAttribute(typeof<Int13>)
 module __ =
   [<PropertyInt13>]
-  let ``this passes`` (i: int) =
-    i = 13
+  let ``this passes`` (thirteen: int) ([<Int5>] five: int) =
+    thirteen = 13 && five = 5
 
 type PropertiesInt13Attribute() = inherit PropertiesAttribute(typeof<Int13>)
 [<PropertiesInt13>]
 module ___ =
   [<Property>]
-  let ``this also passes`` (i: int) =
-    i = 13
+  let ``this also passes`` (thirteen: int) ([<Int5>] five: int) =
+    thirteen = 13 && five = 5
 ```
 
 <details>
diff --git a/readmeCSharp.md b/readmeCSharp.md
index 34d17e2..585ae9d 100644
--- a/readmeCSharp.md
+++ b/readmeCSharp.md
@@ -65,17 +65,19 @@ Extends xUnit's `Fact` to call Hedgehog's `property`.
 * [`[Properties]`](#-properties)
 Configures all [`Property`](#-property) tagged tests in a module or class.
 * [`GenAttribute`](#-genattribute)
-Set a parameter's generator.
+Extend this attribute to set a parameter's generator.
 * [`[Recheck]`](#-recheck)
 Run a test with a specific `Size` and `Seed`.
 
-> All code in the below is available [here](/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs) 
+👉 All code in this document is available [here.](/examples/Hedgehog.Xunit.Examples.CSharp/DocumentationSamples.cs)
 
 ### 🔖 `[Property]`
 
-Methods with `[Property]` have their arguments generated by [`GenX.auto`](https://github.com/hedgehogqa/fsharp-hedgehog-experimental/#auto-generation), unless the argument is decorated with a subclass of [`GenAttribute`](#-genattribute).
+Methods with `[Property]` have their arguments generated by [`GenX.auto`](https://github.com/hedgehogqa/fsharp-hedgehog-experimental/#auto-generation).
 
 ```C#
+using global::Xunit.Abstractions;
+
 public class DocumentationSamples
 {
     private readonly ITestOutputHelper _output;
@@ -92,8 +94,8 @@ public class DocumentationSamples
         _output.WriteLine($"Test input: {i}");
     }
 }
-	
-=== Output ===
+```
+```
 Test input: 0
 Test input: -1
 Test input: 1
@@ -113,10 +115,9 @@ public bool Will_fail(bool value) => value;
 System.Exception: *** Failed! Falsifiable (after 5 tests):
 [false]
 Hedgehog.Xunit.TestReturnedFalseException: Test returned `false`.
-...
 ```
 
-If the test returns [`FSharp.Control.Async<T>`] or `Task<T>`, then `Async.RunSynchronously` is called, _which blocks the thread._ This may have significant performance implications as tests run 100 times by default.
+If the test returns [`FSharp.Control.Async<T>`](https://fsharp.github.io/fsharp-core-docs/reference/fsharp-control-fsharpasync.html) or `Task<T>`, then `Async.RunSynchronously` is called, _which blocks the thread._ This may have significant performance implications as tests run 100 times by default.
 
 ```C#
 [Property]
@@ -343,9 +344,14 @@ public class __
 }
 ```
 
-Consider extending `PropertyAttribute` or `PropertiesAttribute` to hardcode commonly used arguments.
+Consider extending `PropertyAttribute` or `PropertiesAttribute` to hardcode commonly used arguments. It also works with `GenAttribute`.
 
 ```C#
+public class Five : GenAttribute<int>
+{
+    public override Gen<int> Generator => Gen.Int32(Range.FromValue(5));
+}
+
 public class Int13
 {
     public static AutoGenConfig _ =>
@@ -358,7 +364,7 @@ public class PropertyInt13Attribute : PropertyAttribute
 }
 
 [PropertyInt13]
-public bool This_passes(int i) => i == 13;
+public bool This_passes(int thirteen, [Five] int five) => thirteen == 13 && five == 5;
 
 public class PropertiesInt13Attribute : PropertiesAttribute
 {
@@ -369,7 +375,7 @@ public class PropertiesInt13Attribute : PropertiesAttribute
 public class ___
 {
     [Property]
-    public bool This_also_passes(int i) => i == 13;
+    public bool This_also_passes(int thirteen, [Five] int five) => thirteen == 13 && five == 5;
 }
 ```