diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 47b461ea..c62f03e8 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- **External editor support**: Press `Ctrl+G` to edit your message in an external editor. Uses `$VISUAL` or `$EDITOR` environment variable. On successful save, the message is replaced; on cancel, the original is kept. ([#266](https://github.com/badlogic/pi-mono/pull/266) by [@aliou](https://github.com/aliou))
+
 ## [0.25.2] - 2025-12-21
 
 ### Fixed
diff --git a/packages/coding-agent/README.md b/packages/coding-agent/README.md
index db3f4c25..69c6a717 100644
--- a/packages/coding-agent/README.md
+++ b/packages/coding-agent/README.md
@@ -230,6 +230,7 @@ The agent reads, writes, and edits files, and executes commands via bash.
 | Ctrl+P | Cycle models (scoped by `--models`) |
 | Ctrl+O | Toggle tool output expansion |
 | Ctrl+T | Toggle thinking block visibility |
+| Ctrl+G | Edit message in external editor (`$VISUAL` or `$EDITOR`) |
 
 ### Bash Mode