diff --git a/chrome/content/zotero/xpcom/preferencePanes.js b/chrome/content/zotero/xpcom/preferencePanes.js
index 7a4f91c587..cf356bc5fa 100644
--- a/chrome/content/zotero/xpcom/preferencePanes.js
+++ b/chrome/content/zotero/xpcom/preferencePanes.js
@@ -23,8 +23,16 @@
 	***** END LICENSE BLOCK *****
 */
 
+
+/**
+ * @namespace Zotero
+ */
+
+
 /**
  * Manages preference panes.
+ *
+ * @memberof Zotero
  */
 Zotero.PreferencePanes = {
 	builtInPanes: Object.freeze([
@@ -104,19 +112,19 @@ Zotero.PreferencePanes = {
 	 * shuts down.
 	 *
 	 * @param {Object} options
-	 * @param {String} options.pluginID ID of the plugin registering the pane
-	 * @param {String} options.src URI of an XHTML fragment, optionally relative to the plugin's root
-	 * @param {String} [options.id] Represents the pane and must be unique. Automatically generated if not provided
-	 * @param {String} [options.parent] ID of parent pane (if provided, pane is hidden from the sidebar)
-	 * @param {String} [options.label] Displayed as the pane's label in the sidebar.
+	 * @param {string} options.pluginID ID of the plugin registering the pane
+	 * @param {string} options.src URI of an XHTML fragment, optionally relative to the plugin's root
+	 * @param {string} [options.id] Represents the pane and must be unique. Automatically generated if not provided
+	 * @param {string} [options.parent] ID of parent pane (if provided, pane is hidden from the sidebar)
+	 * @param {string} [options.label] Displayed as the pane's label in the sidebar.
 	 * 		If not provided, the plugin's name is used
-	 * @param {String} [options.image] URI of an icon to be displayed in the navigation sidebar, optionally relative to
+	 * @param {string} [options.image] URI of an icon to be displayed in the navigation sidebar, optionally relative to
 	 * 		the plugin's root. If not provided, the plugin's icon (from manifest.json) is used.
-	 * @param {String[]} [options.scripts] Array of URIs of scripts to load along with the pane, optionally relative to
+	 * @param {string[]} [options.scripts] Array of URIs of scripts to load along with the pane, optionally relative to
 	 * 		the plugin's root
-	 * @param {String[]} [options.stylesheets] Array of URIs of CSS stylesheets to load along with the pane, optionally
+	 * @param {string[]} [options.stylesheets] Array of URIs of CSS stylesheets to load along with the pane, optionally
 	 * 		relative to the plugin's root
-	 * @param {String} [options.helpURL] If provided, a help button will be displayed under the pane
+	 * @param {string} [options.helpURL] If provided, a help button will be displayed under the pane
 	 * 		and the provided URL will open when it is clicked
 	 * @return {Promise<string>} Resolves to the ID of the pane if successfully added
 	 *
@@ -168,7 +176,7 @@ Zotero.PreferencePanes = {
 	/**
 	 * Called automatically on plugin shutdown.
 	 *
-	 * @param {String} id
+	 * @param {string} id - ID of the pane to unregister, as returned by `Zotero.PreferencePanes.register()`
 	 */
 	unregister: function (id) {
 		this.pluginPanes = this.pluginPanes.filter(p => p.id !== id);