Repository: modin-project/modin

Issue:
Fix docs typos in `modin.experimental.engines.{pandas_on_ray, pyarrow_on_ray}` modules
### System information
- **OS Platform and Distribution (e.g., Linux Ubuntu 16.04)**: Any
- **Modin version**: cf259f1cd38c70e246fd5e3ea904b675a5d10bd9
- **Python version**: Any



### Describe the problem
<!-- Describe the problem clearly here. -->
Multiple typos were found in the `modin.experimental.engines.{pandas_on_ray, pyarrow_on_ray}` docs (originally detected in the https://github.com/modin-project/modin/pull/3005#discussion_r646774976 and https://github.com/modin-project/modin/pull/3005#discussion_r646777269).



Discussion:

Resolving patch:
diff --git a/modin/experimental/engines/pyarrow_on_ray/frame/axis_partition.py b/modin/experimental/engines/pyarrow_on_ray/frame/axis_partition.py
--- a/modin/experimental/engines/pyarrow_on_ray/frame/axis_partition.py
+++ b/modin/experimental/engines/pyarrow_on_ray/frame/axis_partition.py
@@ -55,7 +55,7 @@ def apply(self, func, num_splits=None, other_axis_partition=None, **kwargs):
         Returns
         -------
         list
-            List with ``RayRemotePartition`` objects.
+            List with ``PyarrowOnRayFramePartition`` objects.
 
         Notes
         -----
@@ -104,7 +104,7 @@ def shuffle(self, func, num_splits=None, **kwargs):
         Returns
         -------
         list
-            List with ``RayRemotePartition`` objects.
+            List with ``PyarrowOnRayFramePartition`` objects.
 
         Notes
         -----
diff --git a/modin/experimental/engines/pyarrow_on_ray/frame/partition.py b/modin/experimental/engines/pyarrow_on_ray/frame/partition.py
--- a/modin/experimental/engines/pyarrow_on_ray/frame/partition.py
+++ b/modin/experimental/engines/pyarrow_on_ray/frame/partition.py
@@ -29,15 +29,15 @@ class PyarrowOnRayFramePartition(PandasOnRayFramePartition):
     Parameters
     ----------
     object_id : ray.ObjectRef
-        A reference to ``pandas.DataFrame`` that needs to be wrapped with this class.
+        A reference to ``pyarrow.Table`` that needs to be wrapped with this class.
     length : ray.ObjectRef or int, optional
-        Length or reference to it of wrapped ``pandas.DataFrame``.
+        Length or reference to it of wrapped ``pyarrow.Table``.
     width : ray.ObjectRef or int, optional
-        Width or reference to it of wrapped ``pandas.DataFrame``.
+        Width or reference to it of wrapped ``pyarrow.Table``.
     ip : ray.ObjectRef or str, optional
-        Node IP address or reference to it that holds wrapped ``pandas.DataFrame``.
+        Node IP address or reference to it that holds wrapped ``pyarrow.Table``.
     call_queue : list, optional
-        Call queue that needs to be executed on wrapped ``pandas.DataFrame``.
+        Call queue that needs to be executed on wrapped ``pyarrow.Table``.
     """
 
     def to_pandas(self):
@@ -67,7 +67,7 @@ def put(cls, obj):
         Returns
         -------
         PyarrowOnRayFramePartition
-            A ``RayRemotePartition`` object.
+            A ``PyarrowOnRayFramePartition`` object.
         """
         return PyarrowOnRayFramePartition(ray.put(pyarrow.Table.from_pandas(obj)))
 
@@ -101,6 +101,6 @@ def empty(cls):
         Returns
         -------
         PyarrowOnRayFramePartition
-            A ``RayRemotePartition`` object.
+            A ``PyarrowOnRayFramePartition`` object.
         """
         return cls.put(pandas.DataFrame())
diff --git a/modin/experimental/engines/pyarrow_on_ray/frame/partition_manager.py b/modin/experimental/engines/pyarrow_on_ray/frame/partition_manager.py
--- a/modin/experimental/engines/pyarrow_on_ray/frame/partition_manager.py
+++ b/modin/experimental/engines/pyarrow_on_ray/frame/partition_manager.py
@@ -31,7 +31,7 @@ class PyarrowOnRayFramePartitionManager(GenericRayFramePartitionManager):
     classes.
     """
 
-    # This object uses RayRemotePartition objects as the underlying store.
+    # This object uses PyarrowOnRayFramePartition objects as the underlying store.
     _partition_class = PyarrowOnRayFramePartition
     _column_partitions_class = PyarrowOnRayFrameColumnPartition
     _row_partition_class = PyarrowOnRayFrameRowPartition


Test patch: