diff --git a/modules/ve-mw/ui/layouts/ve.ui.MWTwoPaneTransclusionDialogLayout.js b/modules/ve-mw/ui/layouts/ve.ui.MWTwoPaneTransclusionDialogLayout.js
index d5b9116ff3..a5e9fbd7d9 100644
--- a/modules/ve-mw/ui/layouts/ve.ui.MWTwoPaneTransclusionDialogLayout.js
+++ b/modules/ve-mw/ui/layouts/ve.ui.MWTwoPaneTransclusionDialogLayout.js
@@ -74,7 +74,7 @@ OO.inheritClass( ve.ui.MWTwoPaneTransclusionDialogLayout, OO.ui.MenuLayout );
 
 /**
  * @private
- * @param {Object} visibility
+ * @param {Object.<string,boolean>} visibility
  */
 ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onFilterPagesByName = function ( visibility ) {
 	for ( var pageName in visibility ) {
@@ -150,7 +150,7 @@ ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.focusPart = function ( pageNam
  * Parts and parameters can be soft-selected, or selected and focused.
  *
  * @param {string|null} pageName Full, unique name of part or parameter, or null to deselect
- * @param {string} [soft] If true, suppress content pane focus.
+ * @param {boolean} [soft] If true, suppress content pane focus.
  */
 ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onSidebarItemSelected = function ( pageName, soft ) {
 	this.setPage( pageName );
diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterSelectWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterSelectWidget.js
index b945d1b671..2e25559d92 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterSelectWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterSelectWidget.js
@@ -12,6 +12,7 @@
  * @constructor
  * @param {Object} config
  * @cfg {ve.ui.MWTransclusionOutlineParameterWidget[]} items
+ * @property {string|null} itemSet Name of the currently selected parameter
  */
 ve.ui.MWTransclusionOutlineParameterSelectWidget = function VeUiMWTransclusionOutlineParameterSelectWidget( config ) {
 	// Parent constructor
diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterWidget.js
index cb68e64ca3..1f1099cc37 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineParameterWidget.js
@@ -1,9 +1,3 @@
-/*!
- * VisualEditor user interface MWTransclusionOutlineParameterWidget class.
- *
- * @license The MIT License (MIT); see LICENSE.txt
- */
-
 /**
  * A widget that represents a template parameter, with a checkbox to add/remove the parameter.
  * Modelled after {@see OO.ui.OutlineOptionWidget}. Also see {@see OO.ui.CheckboxMultioptionWidget}
@@ -79,6 +73,9 @@ ve.ui.MWTransclusionOutlineParameterWidget.prototype.setSelected = function ( st
 	return this;
 };
 
+/**
+ * @param {boolean} state
+ */
 ve.ui.MWTransclusionOutlineParameterWidget.prototype.setParameter = function ( state ) {
 	this.$element.toggleClass( 've-ui-mwTransclusionOutlineParameterWidget-isSet', state );
 };
diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineTemplateWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineTemplateWidget.js
index ee8bbd1c7c..7fa04d3a1a 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineTemplateWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineTemplateWidget.js
@@ -1,7 +1,3 @@
-/*!
- * @license The MIT License (MIT); see LICENSE.txt
- */
-
 /**
  * Container for a template as rendered in the template dialog sidebar.
  * Contains search and visibility inputs, and a list of parameters when available.
@@ -450,7 +446,7 @@ ve.ui.MWTransclusionOutlineTemplateWidget.prototype.filterParameters = function
 /**
  * @private
  * @param {boolean} visibility
- * @param {boolean} fromClick
+ * @param {boolean} [fromClick]
  */
 ve.ui.MWTransclusionOutlineTemplateWidget.prototype.onToggleUnusedFields = function ( visibility, fromClick ) {
 	if ( visibility ) {
diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineToggleUnusedWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineToggleUnusedWidget.js
index 84a5043815..f20346cb99 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineToggleUnusedWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineToggleUnusedWidget.js
@@ -33,6 +33,8 @@ OO.inheritClass( ve.ui.MWTransclusionOutlineToggleUnusedWidget, OO.ui.ButtonWidg
 
 /**
  * @event toggleUnusedFields
+ * @param {boolean} visibility If unused fields should be shown or not.
+ * @param {boolean} [fromClick]
  * Emitted when the visibility for unused fields should be (re)applied.
  */
 
diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineWidget.js
index 88557df515..b4d0aa8475 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineWidget.js
@@ -1,9 +1,3 @@
-/*!
- * VisualEditor user interface MWTransclusionOutlineWidget class.
- *
- * @license The MIT License (MIT); see LICENSE.txt
- */
-
 /**
  * Container for the entire transclusion dialog sidebar, may contain a single or
  * multiple templates or raw wikitext snippets.
@@ -43,7 +37,7 @@ OO.inheritClass( ve.ui.MWTransclusionOutlineWidget, OO.ui.Widget );
  * @event sidebarPartSelected
  * @param {string} pageName Unique id of the {@see OO.ui.BookletLayout} page, e.g. something like
  *  "part_1" or "part_1/param1".
- * @param {string} [soft] If true, don't focus the content pane.  Defaults to false.
+ * @param {boolean} [soft] If true, don't focus the content pane.  Defaults to false.
  */
 
 /* Methods */
@@ -65,7 +59,7 @@ ve.ui.MWTransclusionOutlineWidget.prototype.onReplacePart = function ( removed,
 /**
  * Handle spacebar in a part header
  *
- * @param {*} pageName
+ * @param {string} pageName
  * @fires sidebarPartSelected
  */
 ve.ui.MWTransclusionOutlineWidget.prototype.onTransclusionPartSoftSelected = function ( pageName ) {
@@ -100,7 +94,6 @@ ve.ui.MWTransclusionOutlineWidget.prototype.addPartWidget = function ( part, new
 	if ( part instanceof ve.dm.MWTemplateModel ) {
 		widget = new ve.ui.MWTransclusionOutlineTemplateWidget( part, removed instanceof ve.dm.MWTemplatePlaceholderModel );
 		// This forwards events from the nested ve.ui.MWTransclusionOutlineTemplateWidget upwards.
-		// The array syntax is a way to call `this.emit( 'filterParameters' )`.
 		widget.connect( this, {
 			// We can forward these events as is. The parameter's unique ids are reused as page
 			// names in {@see ve.ui.MWTemplateDialog.onAddParameter}.
@@ -204,10 +197,10 @@ ve.ui.MWTransclusionOutlineWidget.prototype.clear = function () {
 
 /**
  * @private
- *
- * @param {Object} parameter
+ * @param {Object.<string,boolean>} visibility
+ * @fires filterPagesByName
  */
-ve.ui.MWTransclusionOutlineWidget.prototype.onFilterParametersByName = function ( parameter ) {
-	this.emit( 'filterPagesByName', parameter );
+ve.ui.MWTransclusionOutlineWidget.prototype.onFilterParametersByName = function ( visibility ) {
+	this.emit( 'filterPagesByName', visibility );
 	this.setSelectionByPageName();
 };