Fix typo in Tuple`5.xml example description (#12044)

Author: gewarren

xml/System/Tuple`5.xml

@@ -654,7 +654,7 @@
 
 
 ## Examples
- The following example defines an array of <xref:System.Tuple%605> objects whose components contain the name of a state in the United Dates, its population in 1990 and 2000, its population change in this 10-year period, and the percentage change in its population. It then iterates through the array and displays the value of each component in a tuple.
+ The following example defines an array of <xref:System.Tuple%605> objects whose components contain the name of a state in the United States, its population in 1990 and 2000, its population change in this 10-year period, and the percentage change in its population. It then iterates through the array and displays the value of each component in a tuple.
 
  :::code language="csharp" source="~/snippets/csharp/System/TupleT1,T2,T3,T4,T5/Item1/item1.cs" id="Snippet1":::
  :::code language="fsharp" source="~/snippets/fsharp/System/TupleT1,T2,T3,T4,T5/Item1/item1.fs" id="Snippet1":::