diff --git a/akka-docs/rst/java/stream/stages-overview.rst b/akka-docs/rst/java/stream/stages-overview.rst
index 2b7e37517b..365a464914 100644
--- a/akka-docs/rst/java/stream/stages-overview.rst
+++ b/akka-docs/rst/java/stream/stages-overview.rst
@@ -647,6 +647,16 @@ the second element is required from downstream.
 
 **completes** when upstream completes
 
+scanAsync
+^^^^^^^^^
+Just like ``scan`` but receiving a function that results in a ``CompletionStage`` to the next value.
+
+**emits** when the ``CompletionStage`` resulting from the function scanning the element resolves to the next value
+
+**backpressures** when downstream backpressures
+
+**completes** when upstream completes and the last ``CompletionStage`` is resolved
+
 fold
 ^^^^
 Start with current value ``zero`` and then apply the current and next value to the given function, when upstream
@@ -658,6 +668,16 @@ complete the current value is emitted downstream.
 
 **completes** when upstream completes
 
+foldAsync
+^^^^^^^^^
+Just like ``fold`` but receiving a function that results in a ``CompletionStage`` to the next value.
+
+**emits** when upstream completes and the last ``CompletionStage`` is resolved
+
+**backpressures** when downstream backpressures
+
+**completes** when upstream completes and the last ``CompletionStage`` is resolved
+
 reduce
 ^^^^^^
 Start with first element and then apply the current and next value to the given function, when upstream
diff --git a/akka-docs/rst/scala/stream/stages-overview.rst b/akka-docs/rst/scala/stream/stages-overview.rst
index c4f80b049e..5adb5e191b 100644
--- a/akka-docs/rst/scala/stream/stages-overview.rst
+++ b/akka-docs/rst/scala/stream/stages-overview.rst
@@ -637,7 +637,7 @@ the second element is required from downstream.
 **completes** when upstream completes
 
 scanAsync
-^^^^
+^^^^^^^^^
 Just like ``scan`` but receiving a function that results in a ``Future`` to the next value.
 
 **emits** when the ``Future`` resulting from the function scanning the element resolves to the next value
@@ -658,7 +658,7 @@ complete the current value is emitted downstream.
 **completes** when upstream completes
 
 foldAsync
-^^^^
+^^^^^^^^^
 Just like ``fold`` but receiving a function that results in a ``Future`` to the next value.
 
 **emits** when upstream completes and the last ``Future`` is resolved