change wording on in, ref and out (dotnet#28370)

This wording matches the comparisons on the `out` and `ref` pages.

Fixes dotnet#28316

docs/csharp/language-reference/keywords/in-parameter-modifier.md

@@ -22,7 +22,7 @@ Variables passed as `in` arguments must be initialized before being passed in a
 
 The `in` parameter modifier is available in C# 7.2 and later. Previous versions generate compiler error `CS8107` ("Feature 'readonly references' is not available in C# 7.0. Please use language version 7.2 or greater.") To configure the compiler language version, see [Select the C# language version](../configure-language-version.md).
 
-Although `in`, `out`, and `ref` parameter modifiers are considered part of a signature, members declared in a single type cannot differ in signature solely by `in`, `ref` and `out`. Therefore, methods cannot be overloaded if the only difference is that one method takes a `ref` or `in` argument and the other takes an `out` argument. The following code, for example, will not compile:  
+Although `in`, `out`, and `ref` parameter modifiers are considered part of a signature, members declared in a single type cannot differ in signature solely by `in`, `ref` and `out`. Therefore, methods cannot be overloaded if the only difference is that one method takes a `ref` or `out` argument and the other takes an `in` argument. The following code, for example, will not compile:  
 
 ```csharp
 class CS0663_Example