diff --git a/akka-docs/src/test/java/jdocs/stream/FlowDocTest.java b/akka-docs/src/test/java/jdocs/stream/FlowDocTest.java
index a874616ef2..bffb4c76b0 100644
--- a/akka-docs/src/test/java/jdocs/stream/FlowDocTest.java
+++ b/akka-docs/src/test/java/jdocs/stream/FlowDocTest.java
@@ -90,7 +90,7 @@ public class FlowDocTest extends AbstractJavaTest {
         Source.from(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
     final Sink<Integer, CompletionStage<Integer>> sink = Sink.fold(0, Integer::sum);
 
-    // materialize the flow, getting the Sinks materialized value
+    // materialize the flow, getting the Sink's materialized value
     final CompletionStage<Integer> sum = source.runWith(sink, system);
     // #materialization-runWith
 
diff --git a/akka-docs/src/test/scala/docs/stream/FlowDocSpec.scala b/akka-docs/src/test/scala/docs/stream/FlowDocSpec.scala
index dedc1c8829..f8f3447163 100644
--- a/akka-docs/src/test/scala/docs/stream/FlowDocSpec.scala
+++ b/akka-docs/src/test/scala/docs/stream/FlowDocSpec.scala
@@ -52,7 +52,7 @@ class FlowDocSpec extends AkkaSpec with CompileOnlySpec {
     val source = Source(1 to 10)
     val sink = Sink.fold[Int, Int](0)(_ + _)
 
-    // materialize the flow, getting the Sinks materialized value
+    // materialize the flow, getting the Sink's materialized value
     val sum: Future[Int] = source.runWith(sink)
     //#materialization-runWith
   }