Fix a typo (#112)

I found a small typo and fixed it 😊

Author: NielsPilgaard

README.md

@@ -20,7 +20,7 @@ and the source generator magically generates the backing code when you save the
 
 <img src="https://raw.githubusercontent.com/andrewlock/StronglyTypedId/master/docs/strongly_typed_id.gif" alt="Generating a strongly-typed ID using the StronglyTypedId packages"/>
 
-> StronglyTypedId requires requires [the .NET Core SDK v6.0.100 or greater](https://dotnet.microsoft.com/download/dotnet/6.0).
+> StronglyTypedId requires [the .NET Core SDK v6.0.100 or greater](https://dotnet.microsoft.com/download/dotnet/6.0).
 
 ## Changes in version 1.x
 
@@ -253,4 +253,4 @@ The `struct`s you decorate with the `StronglyTypedId` attribute must be marked `
 
 `StronglyTypedId` wouldn't work if not for [AArnott's CodeGeneration.Roslyn](https://github.com/AArnott/CodeGeneration.Roslyn) library.
 
-The build process and general design of the library was modelled on the [RecordGenerator](https://github.com/amis92/RecordGenerator/blob/master/README.md) project, which is similar to this project, but can be used to generate immutable Record types.
+The build process and general design of the library was modelled on the [RecordGenerator](https://github.com/amis92/RecordGenerator/blob/master/README.md) project, which is similar to this project, but can be used to generate immutable Record types.