1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/nixos/doc/manual/development/what-happens-during-a-system-switch.chapter.md b/nixpkgs/nixos/doc/manual/development/what-happens-during-a-system-switch.chapter.md
index 5d17a9c98514..28c06f999dac 100644
--- a/nixpkgs/nixos/doc/manual/development/what-happens-during-a-system-switch.chapter.md
+++ b/nixpkgs/nixos/doc/manual/development/what-happens-during-a-system-switch.chapter.md
@@ -56,4 +56,5 @@ explained in the next sections.
 unit-handling.section.md
 activation-script.section.md
 non-switchable-systems.section.md
+etc-overlay.section.md
 ```