Update xml/System.Runtime.InteropServices.ObjectiveC/ObjectiveCMarshal.xml

Author: jkotas

xml/System.Runtime.InteropServices.ObjectiveC/ObjectiveCMarshal.xml

@@ -72,7 +72,7 @@
 
 ## Remarks
 
-The <xref:System.Runtime.InteropServices.ObjectiveC.ObjectiveCMarshal.Initialize*> function must be called prior to calling this function.
+The <xref:System.Runtime.InteropServices.ObjectiveC.ObjectiveCMarshal.Initialize> function must be called prior to calling this function.
             
 The `obj` parameter must have a type in its hierarchy marked with
 <xref:System.Runtime.InteropServices.ObjectiveC.ObjectiveCTrackedTypeAttribute>.