diff --git a/docs/_docs/reference/experimental/cc.md b/docs/_docs/reference/experimental/cc.md
index 81cff3d2ab2d..f8c3f8fb8ed3 100644
--- a/docs/_docs/reference/experimental/cc.md
+++ b/docs/_docs/reference/experimental/cc.md
@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: "Capture Checking"
+nightlyOf: https://docs.scala-lang.org/scala3/reference/experimental/cc.html
 ---
 
 Capture checking is a research project that modifies the Scala type system to track references to capabilities in values. It is currently
diff --git a/docs/_docs/reference/experimental/main-annotation.md b/docs/_docs/reference/experimental/main-annotation.md
index 8a09edca003d..f612beedff8b 100644
--- a/docs/_docs/reference/experimental/main-annotation.md
+++ b/docs/_docs/reference/experimental/main-annotation.md
@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: "MainAnnotation"
+nightlyOf: https://docs.scala-lang.org/scala3/reference/experimental/main-annotation.html
 ---
 
 `MainAnnotation` provides a generic way to define main annotations such as `@main`.
diff --git a/docs/_docs/reference/experimental/tupled-function.md b/docs/_docs/reference/experimental/tupled-function.md
index da108fc832ad..0cc016953a80 100644
--- a/docs/_docs/reference/experimental/tupled-function.md
+++ b/docs/_docs/reference/experimental/tupled-function.md
@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: "Tupled Function"
+nightlyOf: https://docs.scala-lang.org/scala3/reference/experimental/tupled-function.html
 ---
 
 Tupled Function