diff --git a/rules/S5147/csharp/how-to-fix-it/mongodb-csharp-driver.adoc b/rules/S5147/csharp/how-to-fix-it/mongodb-csharp-driver.adoc
index d862a366df6..c2f36847d2c 100644
--- a/rules/S5147/csharp/how-to-fix-it/mongodb-csharp-driver.adoc
+++ b/rules/S5147/csharp/how-to-fix-it/mongodb-csharp-driver.adoc
@@ -34,7 +34,7 @@ public class ExampleController: ControllerBase
 
         var filterDefinition = Request.Query["filterDefinition"];
 
-        await collection.FindAsync(filter)
+        await collection.FindAsync(filterDefinition)
     }
 }
 ----
@@ -61,7 +61,7 @@ public class ExampleController: ControllerBase
 
         var filterDefinition = Builders<BsonDocument>.Filter.Eq("Username", "Example");
 
-        await collection.FindAsync(filter)
+        await collection.FindAsync(filterDefinition)
     }
 }
 ----