Update docs

docs/source/api/config/frameworks.rst

@@ -25,44 +25,52 @@ API
     :type: torch.device
     :value: "cuda:${LOCAL_RANK}" | "cpu"
 
-    Default device
+    Default device.
 
-    The default device, unless specified, is ``cuda:0`` (or ``cuda:LOCAL_RANK`` in a distributed environment) if CUDA is available, ``cpu`` otherwise
+    The default device, unless specified, is ``cuda:0`` (or ``cuda:LOCAL_RANK`` in a distributed environment) if CUDA is available, ``cpu`` otherwise.
 
 .. py:data:: skrl.config.torch.local_rank
     :type: int
     :value: 0
 
-    The rank of the worker/process (e.g.: GPU) within a local worker group (e.g.: node)
+    The rank of the worker/process (e.g.: GPU) within a local worker group (e.g.: node).
 
     This property reads from the ``LOCAL_RANK`` environment variable (``0`` if it doesn't exist).
-    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details
+    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details.
+
+    Read-only attribute.
 
 .. py:data:: skrl.config.torch.rank
     :type: int
     :value: 0
 
-    The rank of the worker/process (e.g.: GPU) within a worker group (e.g.: across all nodes)
+    The rank of the worker/process (e.g.: GPU) within a worker group (e.g.: across all nodes).
 
     This property reads from the ``RANK`` environment variable (``0`` if it doesn't exist).
-    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details
+    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details.
+
+    Read-only attribute.
 
 .. py:data:: skrl.config.torch.world_size
     :type: int
     :value: 1
 
-    The total number of workers/process (e.g.: GPUs) in a worker group (e.g.: across all nodes)
+    The total number of workers/process (e.g.: GPUs) in a worker group (e.g.: across all nodes).
 
     This property reads from the ``WORLD_SIZE`` environment variable (``1`` if it doesn't exist).
-    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details
+    See `torch.distributed <https://pytorch.org/docs/stable/distributed.html>`_ for more details.
+
+    Read-only attribute.
 
 .. py:data:: skrl.config.torch.is_distributed
     :type: bool
     :value: False
 
-    Whether if running in a distributed environment
+    Whether if running in a distributed environment.
 
-    This property is ``True`` when the PyTorch's distributed environment variable ``WORLD_SIZE > 1``
+    This property is ``True`` when the PyTorch's distributed environment variable ``WORLD_SIZE > 1``.
+
+    Read-only attribute.
 
 .. raw:: html
 
@@ -86,61 +94,73 @@ API
     :type: jax.Device
     :value: "cuda:${LOCAL_RANK}" | "cpu"
 
-    Default device
+    Default device.
 
-    The default device, unless specified, is ``cuda:0`` (or ``cuda:JAX_LOCAL_RANK`` in a distributed environment) if CUDA is available, ``cpu`` otherwise
+    The default device, unless specified, is ``cuda:0`` (or ``cuda:JAX_LOCAL_RANK`` in a distributed environment) if CUDA is available, ``cpu`` otherwise.
 
 .. py:data:: skrl.config.jax.backend
     :type: str
     :value: "numpy"
 
-    Backend used by the different components to operate and generate arrays
+    Backend used by the different components to operate and generate arrays.
 
     This configuration excludes models and optimizers.
-    Supported backend are: ``"numpy"`` and ``"jax"``
+    Supported backend are: ``"numpy"`` and ``"jax"``.
 
 .. py:data:: skrl.config.jax.key
-    :type: jnp.ndarray
+    :type: jax.Array
     :value: [0, 0]
 
-    Pseudo-random number generator (PRNG) key
+    Pseudo-random number generator (PRNG) key.
+
+    Key is formatted as 32-bit unsigned integer and the default device is used.
 
 .. py:data:: skrl.config.jax.local_rank
     :type: int
     :value: 0
 
-    The rank of the worker/process (e.g.: GPU) within a local worker group (e.g.: node)
+    The rank of the worker/process (e.g.: GPU) within a local worker group (e.g.: node).
 
     This property reads from the ``JAX_LOCAL_RANK`` environment variable (``0`` if it doesn't exist).
 
+    Read-only attribute.
+
 .. py:data:: skrl.config.jax.rank
     :type: int
     :value: 0
 
-    The rank of the worker/process (e.g.: GPU) within a worker group (e.g.: across all nodes)
+    The rank of the worker/process (e.g.: GPU) within a worker group (e.g.: across all nodes).
 
     This property reads from the ``JAX_RANK`` environment variable (``0`` if it doesn't exist).
 
+    Read-only attribute.
+
 .. py:data:: skrl.config.jax.world_size
     :type: int
     :value: 1
 
-    The total number of workers/process (e.g.: GPUs) in a worker group (e.g.: across all nodes)
+    The total number of workers/process (e.g.: GPUs) in a worker group (e.g.: across all nodes).
 
     This property reads from the ``JAX_WORLD_SIZE`` environment variable (``1`` if it doesn't exist).
 
+    Read-only attribute.
+
 .. py:data:: skrl.config.jax.coordinator_address
     :type: str
     :value: "127.0.0.1:1234"
 
-    IP address and port where process 0 will start a JAX service
+    IP address and port where process 0 will start a JAX service.
 
-    This property reads from the ``JAX_COORDINATOR_ADDR:JAX_COORDINATOR_PORT`` environment variables (``127.0.0.1:1234`` if they don't exist)
+    This property reads from the ``JAX_COORDINATOR_ADDR:JAX_COORDINATOR_PORT`` environment variables (``127.0.0.1:1234`` if they don't exist).
+
+    Read-only attribute.
 
 .. py:data:: skrl.config.jax.is_distributed
     :type: bool
     :value: False
 
-    Whether if running in a distributed environment
+    Whether if running in a distributed environment.
+
+    This property is ``True`` when the JAX's distributed environment variable ``WORLD_SIZE > 1``.
 
-    This property is ``True`` when the JAX's distributed environment variable ``WORLD_SIZE > 1``
+    Read-only attribute.