diff --git a/nitransforms/io/x5.py b/nitransforms/io/x5.py
index f4c14113..463a1336 100644
--- a/nitransforms/io/x5.py
+++ b/nitransforms/io/x5.py
@@ -88,14 +88,14 @@ def to_filename(fname: str | Path, x5_list: List[X5Transform]):
 
     Parameters
     ----------
-    fname : :obj:`os.pathlike`
+    fname : :obj:`os.PathLike`
         The file name (preferably with the ".x5" extension) in which transforms will be stored.
     x5_list : :obj:`list`
         The list of transforms to be stored in the output dataset.
 
     Returns
     -------
-    fname : :obj:`os.pathlike`
+    fname : :obj:`os.PathLike`
         File containing the transform(s).
 
     """
diff --git a/nitransforms/resampling.py b/nitransforms/resampling.py
index 390825c5..53750206 100644
--- a/nitransforms/resampling.py
+++ b/nitransforms/resampling.py
@@ -63,7 +63,7 @@ async def _apply_serial(
     ----------
     data : :obj:`~numpy.ndarray`
         The input data array.
-    spatialimage : :obj:`~nibabel.spatialimages.SpatialImage` or `os.pathlike`
+    spatialimage : :obj:`~nibabel.spatialimages.SpatialImage` or :obj:`os.PathLike`
         The image object containing the data to be resampled in reference
         space
     targets : :obj:`~numpy.ndarray`
@@ -162,10 +162,10 @@ def apply(
     ----------
     transform: :obj:`~nitransforms.base.TransformBase`
         The 3D, 3D+t, or 4D transform through which data will be resampled.
-    spatialimage : :obj:`~nibabel.spatialimages.SpatialImage` or `os.pathlike`
+    spatialimage : :obj:`~nibabel.spatialimages.SpatialImage` or :obj:`os.PathLike`
         The image object containing the data to be resampled in reference
         space
-    reference : :obj:`~nibabel.spatialimages.SpatialImage` or `os.pathlike`
+    reference : :obj:`~nibabel.spatialimages.SpatialImage` or :obj:`os.PathLike`
         The image, surface, or combination thereof containing the coordinates
         of samples that will be sampled.
     order : :obj:`int`, optional