Minor grammar tweaks in docs (apache#19013)

docs/apache-airflow/tutorial.rst

@@ -182,11 +182,11 @@ in templates, make sure to read through the :ref:`templates-ref`.
 
 Adding DAG and Tasks documentation
 ----------------------------------
-We can add documentation for DAG or each single task. DAG documentation only support
-markdown so far and task documentation support plain text, markdown, reStructuredText,
-json, yaml. The DAG documentation can be written as a doc string at the beginning of the DAG file (recommended)
-or anywhere in the file. Below you can find some examples on how to implement task and DAG docs,
-as well as screenshots:
+We can add documentation for DAG or each single task. DAG documentation only supports
+markdown so far, while task documentation supports plain text, markdown, reStructuredText,
+json, and yaml. The DAG documentation can be written as a doc string at the beginning
+of the DAG file (recommended), or anywhere else in the file. Below you can find some examples
+on how to implement task and DAG docs, as well as screenshots:
 
 .. exampleinclude:: /../../airflow/example_dags/tutorial.py
     :language: python