Update AmbiguousMatchException.xml (#7810)

* Update AmbiguousMatchException.xml

In the description of the example for AmbiguousMatchException(String, Exception), the term 'class' or 'classes' is used when it should be 'method' or 'methods'.  The proposed changed is to replace 'class' with 'method' and 'classes' with 'methods'

* Remove typo

Co-authored-by: Genevieve Warren <[email protected]>

Author: Nicholas Piazza

xml/System.Reflection/AmbiguousMatchException.xml

@@ -264,7 +264,7 @@
    
   
 ## Examples  
- The following example shows two classes, each named `Mymethod`. One class takes an integer and the other takes a string. If an integer is passed to `Mymethod`, the first class is used. If a string is passed, the second class is used. If it cannot be determined which `Mymethod` to use, `AmbiguousMatchException` is thrown.  
+ The following example shows two methods, each named `Mymethod`. One method takes an integer and the other takes a string. If an integer is passed to `Mymethod`, the first method is used. If a string is passed, the second method is used. If it cannot be determined which `Mymethod` to use, `AmbiguousMatchException` is thrown.  
   
  :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_Classic/classic AmbiguousMatchException.AmbiguousMatchException2 Example/CPP/source.cpp" id="Snippet1":::
  :::code language="csharp" source="~/snippets/csharp/System.Reflection/AmbiguousMatchException/source.cs" id="Snippet1":::