Fix some typos (#985)

* Change count func to attr

Signed-off-by: Juanjo Garcia <juanjosegarciaesteban@gmail.com>

* Fix typo

Signed-off-by: Juanjo Garcia <juanjosegarciaesteban@gmail.com>

---------

Signed-off-by: Juanjo Garcia <juanjosegarciaesteban@gmail.com>

Author: juanjo4936

docs/fastdds/getting_started/simple_app/includes/publisher.rst

@@ -85,7 +85,7 @@ event.
 The overridden callback |DataWriterListener::on_publication_matched-api|
 allows the definition of a series of actions when a new DataReader
 is detected listening to the topic under which the DataWriter is publishing.
-The :func:`info.current_count_change` detects these changes of DataReaders that are matched to the
+The :attr:`info.current_count_change` detects these changes of DataReaders that are matched to the
 DataWriter.
 This is a member in the |MatchedStatus-api| structure that allows tracking changes in the status of subscriptions.
 Finally, the ``listener_`` object of the class is defined as an instance of :class:`PubListener`.

docs/fastdds/library_overview/includes/architecture.rst

@@ -14,7 +14,7 @@ environments can be seen.
 * **RTPS layer**.
   Implementation of the `Real-Time Publish-Subscribe (RTPS) protocol <https://www.omg.org/spec/DDSI-RTPS/2.2>`_
   for interoperability with DDS applications.
-  This layer acts an abstraction layer of the transport layer.
+  This layer acts as an abstraction layer of the transport layer.
 * **Transport Layer**.
   *Fast DDS* can be used over various transport protocols such as unreliable transport protocols (UDP), reliable
   transport protocols (TCP), or shared memory transport protocols (SHM).