diff --git a/crates/engine/src/cmd/aep.rs b/crates/engine/src/cmd/aep.rs
index 3445a478b..eab218100 100644
--- a/crates/engine/src/cmd/aep.rs
+++ b/crates/engine/src/cmd/aep.rs
@@ -22,6 +22,8 @@ pub fn is_aep_path(path: &str) -> bool {
     std::path::Path::new(path).extension().and_then(std::ffi::OsStr::to_str).is_some_and(|e| e.eq_ignore_ascii_case("aep") || e.eq_ignore_ascii_case("aepx"))
 }
 
+/// `file.importAep`: the `.aep` / `.aepx` at `path` into the open project, in a folder named after
+/// the file; refused ([`EngineError::Refused`]) when parts would be lost and `allowLosses` is not set.
 fn import_aep(s: &mut Session, p: &Value) -> Result<Value> {
     let path = str_p(p, "path").ok_or_else(|| bad("file.importAep", "missing `path`"))?.to_string();
     let allow_losses = b_p(p, "allowLosses").unwrap_or(false);
@@ -97,6 +99,8 @@ fn import_aep(s: &mut Session, p: &Value) -> Result<Value> {
     }))
 }
 
+/// `file.exportAep`: the open project as an `.aep` at `path`; refused ([`EngineError::Refused`])
+/// when parts would be lost and `allowLosses` is not set.
 fn export_aep(s: &mut Session, p: &Value) -> Result<Value> {
     let path = str_p(p, "path").ok_or_else(|| bad("file.exportAep", "missing `path`"))?.to_string();
     let allow_losses = b_p(p, "allowLosses").unwrap_or(false);
@@ -133,6 +137,7 @@ fn export_aep(s: &mut Session, p: &Value) -> Result<Value> {
     Ok(json!({"path": path, "bytes": res.bytes.len(), "report": res.report}))
 }
 
+/// File ▸ Import / Export ▸ Adobe After Effects Project….
 pub fn specs() -> Vec<CommandSpec> {
     vec![
         cmd!(
diff --git a/crates/engine/src/tests/aep_export.rs b/crates/engine/src/tests/aep_export.rs
index a716ef7bc..fc5ea29bc 100644
--- a/crates/engine/src/tests/aep_export.rs
+++ b/crates/engine/src/tests/aep_export.rs
@@ -73,6 +73,7 @@ fn bad_input_is_an_error_not_a_crash() {
     assert!(empty.execute_checked("file.exportAep", json!({"path": path})).is_ok());
 }
 
+/// File ▸ Export ▸ Adobe After Effects Project… is in the menu under that label.
 #[test]
 fn aep_export_menu_entry_exists() {
     let entries = crate::menus::entries();
diff --git a/crates/engine/src/tests/aep_import.rs b/crates/engine/src/tests/aep_import.rs
index 7aba82983..c62987ddf 100644
--- a/crates/engine/src/tests/aep_import.rs
+++ b/crates/engine/src/tests/aep_import.rs
@@ -231,6 +231,7 @@ fn file_import_takes_after_effects_projects() {
     let _ = std::fs::remove_dir_all(&dir);
 }
 
+/// File ▸ Import ▸ Adobe After Effects Project… is in the menu under that label.
 #[test]
 fn aep_menu_entry_exists() {
     let entries = crate::menus::entries();
diff --git a/crates/ui-egui/src/panels/aep_losses.rs b/crates/ui-egui/src/panels/aep_losses.rs
index 14010a5df..4eb71104d 100644
--- a/crates/ui-egui/src/panels/aep_losses.rs
+++ b/crates/ui-egui/src/panels/aep_losses.rs
@@ -90,6 +90,8 @@ pub fn lines(report: &Value) -> Vec<(String, Vec<String>)> {
         .collect()
 }
 
+/// Draw the prompt for the conversion waiting on it: its losses by category, Cancel and Import /
+/// Export Anyway (Escape cancels).
 pub fn show(app: &mut EffectcraftApp, ctx: &egui::Context, t: &Tokens) {
     let Some((id, _, report)) = app.dialog_state.aep_losses.command.clone() else {
         app.dialog = None;
diff --git a/crates/ui-egui/src/panels/home.rs b/crates/ui-egui/src/panels/home.rs
index e61d523b1..601f4f1ef 100644
--- a/crates/ui-egui/src/panels/home.rs
+++ b/crates/ui-egui/src/panels/home.rs
@@ -475,6 +475,8 @@ fn home_page(
     }
 }
 
+/// Run the commands the Home screen's buttons and recent files asked for, and leave Home once one
+/// opened something (not while a dialog it opened waits, nor when only the list changed).
 fn run_actions(app: &mut EffectcraftApp, ctx: &egui::Context, actions: Vec<(&str, serde_json::Value)>) {
     for (id, params) in actions {
         let before = (app.session.path.clone(), app.session.revision);