sumabn
diff --git a/‎docs/types/index-signatures.md‎
Lines changed: 1 addition & 1 deletion b/‎docs/types/index-signatures.md‎
Lines changed: 1 addition & 1 deletion
@@ -217,7 +217,7 @@ Quite commonly in the JS community you will see APIs that abuse string indexers.
 ```ts
 interface NestedCSS {
  color?: string;
- [selector: string]: string | NestedCSS;
+ [selector: string]: string | NestedCSS | undefined;
 }
 
 const example: NestedCSS = {
Original file line number	Diff line number	Diff line change
`@@ -217,7 +217,7 @@ Quite commonly in the JS community you will see APIs that abuse string indexers.`
`217`	`217`	```ts
`218`	`218`	`interface NestedCSS {`
`219`	`219`	`color?: string;`
`220`		`- [selector: string]: string \| NestedCSS;`
	`220`	`+ [selector: string]: string \| NestedCSS \| undefined;`
`221`	`221`	`}`
`222`	`222`
`223`	`223`	`const example: NestedCSS = {`