diff --git a/jquery/confirmable.d.ts b/jquery/confirmable.d.ts
index 3c35d19..78c3f7b 100644
--- a/jquery/confirmable.d.ts
+++ b/jquery/confirmable.d.ts
@@ -21,58 +21,65 @@ declare global {
          *     $( 'button' ).confirmable();
          * } );
          * ```
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.confirmable
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.confirmable.html#.$.fn.confirmable
          */
         confirmable: Confirmable;
     }
 }
 
+// make all properties required, replacing optional values with undefined
+type RequiredOrUndefined<T> = {
+    [P in keyof Required<T>]: undefined extends T[P] ? T[P] | undefined : T[P];
+};
+
 interface Confirmable {
     /**
-     * @param {Partial<Options>} [options]
+     * @param {Options} [options]
      */
-    (options?: Partial<Options>): this;
+    (options?: Options): this;
 
     /**
      * Default options. Overridable primarily for internationalisation handling.
      */
-    defaultOptions: Options;
+    defaultOptions: RequiredOptions;
 
-    handler(event: JQuery.Event, options: Options): void;
+    handler(event: JQuery.Event, options: RequiredOptions): void;
 }
 
+type RequiredOptions = Required<Options> & { i18n: RequiredOrUndefined<I18N> };
+
 interface Options {
     /**
      * Optional selector used for jQuery event delegation.
      */
-    delegate: string | null;
+    delegate?: string | null;
 
     /**
      * Events to hook to.
      */
-    events: string;
+    events?: string;
 
     /**
      * Text to use for interface elements.
      */
-    i18n: I18N;
+    i18n?: I18N;
 
     /**
      * Callback to fire when preparing confirmable buttons. It is fired separately for the 'Yes' and 'No' button.
      * Receives the button jQuery object as the first parameter and 'yes' or 'no' as the second.
      */
-    buttonCallback($button: JQuery): JQuery;
+    buttonCallback?($button: JQuery): JQuery;
 
     /**
      * Callback to fire when the action is confirmed (user clicks the 'Yes' button).
      */
-    handler: ((event: JQuery.Event) => void) | null;
+    handler?: ((event: JQuery.Event) => void) | null;
 
     /**
      * Callback to fire when preparing confirmable interface.
      * Receives the interface jQuery object as the only parameter.
      */
-    wrapperCallback($interface: JQuery): JQuery;
+    wrapperCallback?($interface: JQuery): JQuery;
 }
 
 // tslint:disable-next-line:interface-name
@@ -92,7 +99,7 @@ interface I18N {
     /**
      * Optional title text to use for the 'No' button.
      */
-    noTitle: string | undefined;
+    noTitle?: string | undefined;
 
     /**
      * Word separator to place between the three text messages.
@@ -109,7 +116,7 @@ interface I18N {
     /**
      * Optional title text to use for the 'Yes' button.
      */
-    yesTitle: string | undefined;
+    yesTitle?: string | undefined;
 }
 
 export {};
diff --git a/jquery/cookie.d.ts b/jquery/cookie.d.ts
index 81b15d2..6c0d3f9 100644
--- a/jquery/cookie.d.ts
+++ b/jquery/cookie.d.ts
@@ -16,7 +16,7 @@ declare global {
          * @param {mw.cookie.CookieOptions} [options]
          * @returns {string|Object} The current value (if getting a cookie), or an internal `document.cookie`
          *  expression (if setting or removing).
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.cookie
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-mediawiki.cookie.html#.$.cookie
          */
         cookie(key: string, value: string | null, options?: mw.cookie.CookieOptions): string;
         cookie(key: string): unknown;
@@ -34,7 +34,7 @@ declare global {
          * @param {string} key
          * @param {mw.cookie.CookieOptions} options
          * @returns {boolean} True if the cookie previously existed
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.removeCookie
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-mediawiki.cookie.html#.$.removeCookie
          */
         removeCookie(key: string, options: mw.cookie.CookieOptions): boolean;
     }
diff --git a/jquery/highlightText.d.ts b/jquery/highlightText.d.ts
index 732a36a..05df7cc 100644
--- a/jquery/highlightText.d.ts
+++ b/jquery/highlightText.d.ts
@@ -19,7 +19,7 @@ declare global {
          * @param {string} matchString String to match
          * @param {Options} [options]
          * @returns {JQuery}
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.highlightText
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.highlightText.html#.$.fn.highlightText
          */
         highlightText(matchString: string, options?: Options): this;
     }
diff --git a/jquery/lengthLimit.d.ts b/jquery/lengthLimit.d.ts
index 5bebcf4..6154d2a 100644
--- a/jquery/lengthLimit.d.ts
+++ b/jquery/lengthLimit.d.ts
@@ -15,7 +15,7 @@ declare global {
          * @param {number} byteLimit Number of bytes the value may be in size.
          * @param {FilterFunction} [filterFunction] Function to call on the string before assessing the length.
          * @returns {TrimResult}
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.trimByteLength
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.lengthLimit.html#.'$.fn.trimByteLength'
          */
         trimByteLength(
             safeVal: string,
@@ -40,7 +40,7 @@ declare global {
          *  called with fetched value as argument.
          * @param {FilterFunction} [filterFunction] Function to call on the string before assessing the length.
          * @returns {JQuery}
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.byteLimit
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.lengthLimit.html#.$.fn.byteLimit
          */
         byteLimit(limit: number, filterFunction?: FilterFunction): this;
         byteLimit(filterFunction?: FilterFunction): this;
@@ -62,7 +62,7 @@ declare global {
          *  called with fetched value as argument.
          * @param {FilterFunction} [filterFunction] Function to call on the string before assessing the length.
          * @returns {JQuery}
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.codePointLimit
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.lengthLimit.html#.$.fn.codePointLimit
          */
         codePointLimit(limit: number, filterFunction?: FilterFunction): this;
         codePointLimit(filterFunction?: FilterFunction): this;
diff --git a/jquery/makeCollapsible.d.ts b/jquery/makeCollapsible.d.ts
index 803436c..64e48ac 100644
--- a/jquery/makeCollapsible.d.ts
+++ b/jquery/makeCollapsible.d.ts
@@ -18,7 +18,7 @@ declare global {
          * ```
          * @param {Options} [options]
          * @returns {JQuery}
-         * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.makeCollapsible
+         * @see https://doc.wikimedia.org/mediawiki-core/master/js/module-jquery.makeCollapsible.html#.$.fn.makeCollapsible
          */
         makeCollapsible(options?: Options): this;
     }
diff --git a/jquery/spinner.d.ts b/jquery/spinner.d.ts
index 41cce1e..29f48d7 100644
--- a/jquery/spinner.d.ts
+++ b/jquery/spinner.d.ts
@@ -69,6 +69,11 @@ declare global {
 type Size = "large" | "small";
 type Type = "block" | "inline";
 
+/**
+ * Options for {@link JQuery.injectSpinner}.
+ *
+ * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#~SpinnerOpts
+ */
 interface Options {
     /**
      * If given, spinner will be given an id of "mw-spinner-{id}".
diff --git a/jquery/updateTooltipAccessKeys.d.ts b/jquery/updateTooltipAccessKeys.d.ts
index 8b4c18b..0666398 100644
--- a/jquery/updateTooltipAccessKeys.d.ts
+++ b/jquery/updateTooltipAccessKeys.d.ts
@@ -22,7 +22,7 @@ interface TooltipAccessKeys<This = JQuery> {
      * } );
      * ```
      * @returns {JQuery}
-     * @see https://doc.wikimedia.org/mediawiki-core/master/js/jQueryPlugins.html#.updateTooltipAccessKeys
+     * @see https://doc.wikimedia.org/mediawiki-core/REL1_42/js/jQueryPlugins.html#.updateTooltipAccessKeys
      */
     (): This;