docs(concatAll): fix map import
MODIFY
src/internal/operators/concatAll.ts
src/internal/operators/concatAll.ts
@@ -32,7 +32,7 @@ export function concatAll<R>(): OperatorFunction<any, R>;
* For each click event, tick every second from 0 to 3, with no concurrency
* ```javascript
* import { fromEvent, interval } from 'rxjs';
- * import { ma, take, concatAll } from 'rxjs/operators';
+ * import { map, take, concatAll } from 'rxjs/operators';
*
* const clicks = fromEvent(document, 'click');
* const higherOrder = clicks.pipe(

docs(concatAll): fix map import (#4535)