diff --git a/docs/resources/changelog.md b/docs/resources/changelog.md
index 5d6387e76..f87ddac87 100644
--- a/docs/resources/changelog.md
+++ b/docs/resources/changelog.md
@@ -8,6 +8,7 @@ New versions of Shoelace are released as-needed and generally occur when a criti
 
 ## Next
 
+- Added TypeScript types to all custom events [#1183](https://github.com/shoelace-style/shoelace/pull/1183)
 - Fixed a bug in `<sl-select>` that caused the display label to render incorrectly in Chrome after form validation [#1197](https://github.com/shoelace-style/shoelace/discussions/1197)
 - Fixed a bug in `<sl-input>` that prevented users from applying their own value for `autocapitalize`, `autocomplete`, and `autocorrect` when using `type="password` [#1205](https://github.com/shoelace-style/shoelace/issues/1205)
 - Fixed a bug in `<sl-tab-group>` that prevented scroll controls from showing when dynamically adding tabs [#1208](https://github.com/shoelace-style/shoelace/issues/1208)
diff --git a/src/internal/shoelace-element.ts b/src/internal/shoelace-element.ts
index b5ef3a932..6e4e6e388 100644
--- a/src/internal/shoelace-element.ts
+++ b/src/internal/shoelace-element.ts
@@ -39,9 +39,9 @@ type EventTypesWithoutRequiredDetail = {
 // Helper to make a specific property of an object non-optional
 type WithRequired<T, K extends keyof T> = T & { [P in K]-?: T[P] };
 
-// Given an event name string, get a valid type for the options to initialize the event that is more restrictive
-// than just CustomEventInit when appropriate (validate the type of the event detail, and require it to be
-// provided if the event requires it)
+// Given an event name string, get a valid type for the options to initialize the event that is more restrictive than
+// just CustomEventInit when appropriate (validate the type of the event detail, and require it to be provided if the
+// event requires it)
 type SlEventInit<T> = T extends keyof GlobalEventHandlersEventMap
   ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>>
     ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>>