Update celery_executor.rst (apache#42741)

* Update celery_executor.rst

Fix typo.

* Fix typos.

* Update docs/apache-airflow-providers-celery/celery_executor.rst

Co-authored-by: Shahar Epstein <60007259+shahar1@users.noreply.github.com>

---------

Co-authored-by: Shahar Epstein <60007259+shahar1@users.noreply.github.com>

docs/apache-airflow-providers-celery/celery_executor.rst

@@ -187,10 +187,10 @@ Two databases are also available:
 - QueueBroker
 - ResultBackend
 
-During this process, two 2 process are created:
+During this process, two processes are created:
 
-- LocalTaskJobProcess - It logic is described by LocalTaskJob. It is monitoring RawTaskProcess. New processes are started using TaskRunner.
-- RawTaskProcess - It is process with the user code e.g. :meth:`~airflow.models.baseoperator.BaseOperator.execute`.
+- LocalTaskJobProcess - Its logic is described by LocalTaskJob. It is monitoring RawTaskProcess. New processes are started using TaskRunner.
+- RawTaskProcess - It is a process with the user code e.g. :meth:`~airflow.models.baseoperator.BaseOperator.execute`.
 
 | [1] **SchedulerProcess** processes the tasks and when it finds a task that needs to be done, sends it to the **QueueBroker**.
 | [2] **SchedulerProcess** also begins to periodically query **ResultBackend** for the status of the task.