Clarify a few points (#62)

Author: corentinmusard

guides/datasets/ingest.mdx

@@ -14,6 +14,10 @@ This page guides you through the process of ingesting data into a Tilebox datase
 dataset available as file in the [GeoParquet](https://geoparquet.org/) format, you'll go through the process of
 ingesting that data into Tilebox as a [Timeseries](/datasets/types/timeseries) dataset.
 
+<Note>
+  If you have your data in a different format, check out the [Ingesting from common file formats](/guides/datasets/ingest-format) examples of how to ingest it.
+</Note>
+
 ## Related documentation
 
 <CardGroup cols={2}>

workflows/concepts/tasks.mdx

@@ -169,6 +169,8 @@ task := &ParentTask{numSubtasks: 5}
 
 In this example, a `ParentTask` submits `ChildTask` tasks as subtasks. The number of subtasks to be submitted is based on the `num_subtasks` attribute of the `ParentTask`. The `submit_subtask` method takes an instance of a task as its argument, meaning the task to be submitted must be instantiated with concrete parameters first.
 
+Parent task do not have access to results of subtasks, instead, tasks can use [shared caching](/workflows/caches#storing-and-retrieving-data) to share data between tasks.
+
 <Info>
   By submitting a task as a subtask, its execution is scheduled as part of the same job as the parent task. Compared to just directly invoking the subtask's `execute` method, this allows the subtask's execution to occur on a different machine or in parallel with other subtasks. To learn more about how tasks are executed, see the section on [task runners](/workflows/concepts/task-runners).
 </Info>