Fix typo in Type.GetMethod remarks section

Corrected documentation that incorrectly referenced BindingFlags.Instance twice when describing how to retrieve
  specific methods. The text now correctly suggests using BindingFlags.Static or BindingFlags.Instance to
  distinguish between static and instance method overloads.

Author: oii-nasif

xml/System/Type.xml

@@ -5626,7 +5626,7 @@ This method can be used to find a constructed generic member given a member from
 
  You can do one of the following to retrieve a specific method:
 
-- Call the <xref:System.Type.GetMethod%28System.String%2CSystem.Reflection.BindingFlags%29> method and specify a `bindingAttr` argument that uniquely identifies the method. For example, if the exception is thrown because a type has a static and an instance overload, you can specify a  `bindingAttr` argument  of <xref:System.Reflection.BindingFlags.Instance?displayProperty=nameWithType>` Or `<xref:System.Reflection.BindingFlags.Instance?displayProperty=nameWithType>.
+- Call the <xref:System.Type.GetMethod%28System.String%2CSystem.Reflection.BindingFlags%29> method and specify a `bindingAttr` argument that uniquely identifies the method. For example, if the exception is thrown because a type has a static and an instance overload, you can specify a `bindingAttr` argument  of <xref:System.Reflection.BindingFlags.Static?displayProperty=nameWithType> or <xref:System.Reflection.BindingFlags.Instance?displayProperty=nameWithType>.
 
 - Call an overload of the <xref:System.Type.GetMethod%2A> method that includes a `types` parameter which defines the types of the method's parameters.