diff --git a/docs/changelog.txt b/docs/changelog.txt
index 9eb067d50..4465a0f12 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -34,6 +34,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 # Future
 
 ## New Plugins
+- `overlay`: plugin is transformed from a single line of text that runs `gui/launcher` on click to a fully-featured overlay injection framework. See `overlay-dev-guide` for details.
 
 ## Fixes
 - `automaterial`: fix the cursor jumping up a z level when clicking quickly after box select
@@ -58,7 +59,6 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 - UX: List widgets now have mouse-interactive scrollbars
 - UX: You can now hold down the mouse button on a scrollbar to make it scroll multiple times.
 - UX: You can now drag the scrollbar to scroll to a specific spot
-- `overlay`: reduce the size of the "DFHack Launcher" button
 - Constructions module: ``findAtTile`` now uses a binary search intead of a linear search.
 - `spectate`: new ``auto-unpause`` option for auto-dismissal of announcement pause events (e.g. sieges).
 - `spectate`: new ``auto-disengage`` option for auto-disengagement of plugin through player interaction whilst unpaused.
@@ -69,6 +69,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 
 ## Documentation
 - `spectate`: improved documentation of features and functionality
+- `overlay-dev-guide`: documentation and guide for injecting functionality into DF viewscreens from Lua scripts and creating overlay widgets
 
 ## API
 - ``Gui::anywhere_hotkey``: for plugin commands bound to keybindings that can be invoked on any screen