fix one md link

docs/examples/incremental_loading/incremental_loading.py

@@ -12,7 +12,7 @@
 - How to pass [credentials](../general-usage/credentials) as dict and how to type the `@dlt.source` function arguments.
 - How to set [the nesting level](../general-usage/source#reduce-the-nesting-level-of-generated-tables).
 - How to enable [incremental loading](../general-usage/incremental-loading) for efficient data extraction.
-- How to specify [the start and end dates](../general-usage/incremental-loading#using-dltsourcesincremental-for-backfill) for the data loading and how to [opt-in to Airflow scheduler](../../general-usage/incremental-loading#using-airflow-schedule-for-backfill-and-incremental-loading) by setting `allow_external_schedulers` to `True`.
+- How to specify [the start and end dates](../general-usage/incremental-loading#using-dltsourcesincremental-for-backfill) for the data loading and how to [opt-in to Airflow scheduler](../general-usage/incremental-loading#using-airflow-schedule-for-backfill-and-incremental-loading) by setting `allow_external_schedulers` to `True`.
 - How to work with timestamps, specifically converting them to Unix timestamps for incremental data extraction.
 - How to use the `start_time` parameter in API requests to retrieve data starting from a specific timestamp.
 """