diff --git a/packages/core/src/interface/lifecycle_hooks.ts b/packages/core/src/interface/lifecycle_hooks.ts
index bf92bd54da..0beb6d9708 100644
--- a/packages/core/src/interface/lifecycle_hooks.ts
+++ b/packages/core/src/interface/lifecycle_hooks.ts
@@ -116,7 +116,7 @@ export interface DoCheck {
 export interface OnDestroy {
   /**
    * A callback method that performs custom clean-up, invoked immediately
-   * after a directive, pipe, or service instance is destroyed.
+   * before a directive, pipe, or service instance is destroyed.
    */
   ngOnDestroy(): void;
 }