Update tutorial-introduction.md

Author: Lempireqc

docs2/pages/getting-started/tutorial-introduction.md

@@ -92,8 +92,8 @@ context.Customers
 
 // UPDATE all customers that are inactive for more than two years
 context.Customers
-    .Where(x => x.Actif && x.LastLogin < DateTime.Now.AddYears(-2))
-    .UpdateFromQuery(x => new Customer {Actif = false});
+    .Where(x => x.IsActive && x.LastLogin < DateTime.Now.AddYears(-2))
+    .UpdateFromQuery(x => new Customer {IsActive = false});
 ```
 
 ### Performance Comparisons