diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 5ca27448..c042a276 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -6,6 +6,7 @@
 - `Improvements` - Remove unused `force` option in `Caret.navigateNext()` and `Caret.navigatePrevious()` [#857](https://github.com/codex-team/editor.js/issues/857#issuecomment-770363438).
 - `Improvements` - Remove bundles from the repo [#1541](https://github.com/codex-team/editor.js/pull/1541).
 - `Fix` - Fix BlockManager.setCurrentBlockByChildNode() with multiple Editor.js instances [#1503](https://github.com/codex-team/editor.js/issues/1503).
+- `Fix` - Type definition of the Sanitizer config: the sanitize function now contains param definition [#1491](https://github.com/codex-team/editor.js/pull/1491).
 
 ### 2.19.1
 
diff --git a/types/configs/sanitizer-config.d.ts b/types/configs/sanitizer-config.d.ts
index c3854d04..dad68927 100644
--- a/types/configs/sanitizer-config.d.ts
+++ b/types/configs/sanitizer-config.d.ts
@@ -31,5 +31,5 @@ export interface SanitizerConfig {
    *   }
    * }
    */
-  [key: string]: boolean|{[attr: string]: boolean|string}|(() => any);
+  [key: string]: boolean|{[attr: string]: boolean|string}|((el?: Element) => any);
 }