diff --git a/astrodata/adfactory.py b/astrodata/adfactory.py
index 02eff5a7..ffffe790 100644
--- a/astrodata/adfactory.py
+++ b/astrodata/adfactory.py
@@ -229,8 +229,8 @@ def createFromScratch(
     def create_from_scratch(self, phu, extensions=None):
         """Create an AstroData object from a collection of objects.
 
-        Parameters
-        ----------
+        Arguments
+        ---------
         phu : `fits.PrimaryHDU` or `fits.Header` or `dict` or `list`
             FITS primary HDU or header, or something that can be used to create
             a fits.Header (a dict, a list of "cards").
diff --git a/astrodata/testing.py b/astrodata/testing.py
index f12aa763..a0df7c8f 100644
--- a/astrodata/testing.py
+++ b/astrodata/testing.py
@@ -165,8 +165,8 @@ def get_corners(shape):
     This is a recursive function to calculate the corner indices
     of an array of the specified shape.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     shape : tuple of ints
         Length of the dimensions of the array
 
@@ -216,8 +216,8 @@ def assert_most_close(
     --------
     :func:`~numpy.testing.assert_allclose`
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     actual : array_like
         Array obtained.
 
@@ -485,8 +485,8 @@ def download_multiple_files(
 ):
     """Download multiple files from the archive and store them at a given path.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     files : list of str
         List of filenames to download.
 
@@ -701,8 +701,8 @@ def get_associated_calibrations(filename, nbias=5):
     This function quieries the Gemini Observatory Archive for calibrations
     associated with a given data file.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     filename : str
         Input file name
     """
@@ -762,8 +762,8 @@ def run_comparison(
     ):
         """Perform a comparison between the two AD objects in this instance.
 
-        Parameters
-        ----------
+        Arguments
+        ---------
         max_miss: int
             maximum number of elements in each array that can disagree
 
@@ -1055,10 +1055,11 @@ def format_errordict(self, errordict):
 def ad_compare(ad1, ad2, **kwargs):
     """Compare the tags, headers, and pixel values of two images.
 
-    This is a wrapper for ADCompare.run_comparison() for backward-compatibility.
+    This is a wrapper for ADCompare.run_comparison() for
+    backward-compatibility.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     ad1: AstroData
         first AD objects
 
@@ -1254,8 +1255,8 @@ def test_script_file(
     All matches (i.e., stdout_result and stderr_result) can use regular
     expressions.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     script_path : str
         The path to the script to be run.
 
@@ -1358,8 +1359,8 @@ def _reg_assert(result, expected):
 def process_string_to_python_script(string: str) -> str:
     """Format a stirng to be used as a Python script.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     string : str
         The string to be processed.
     """
@@ -1392,8 +1393,8 @@ def get_program_observations():
 def expand_file_range(files: str) -> list[str]:
     """Expand a range of files into a list of file names.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     files : str
         A range of files, e.g., "N20170614S0201-205". This would produce:
 
diff --git a/astrodata/utils.py b/astrodata/utils.py
index 589f1878..49d59f8f 100644
--- a/astrodata/utils.py
+++ b/astrodata/utils.py
@@ -34,8 +34,8 @@ class AstroDataDeprecationWarning(DeprecationWarning):
 def deprecated(reason):
     """Mark a function as deprecated.
 
-    Parameters
-    ----------
+    Arguments
+    ---------
     reason : str
         The reason why the function is deprecated
 
@@ -260,7 +260,12 @@ def returns_list(fn):
 
     .. code-block:: python
 
-        from astrodata import AstroData, astro_data_descriptor, returns_list, NDAstroData
+        from astrodata import (
+            AstroData,
+            astro_data_descriptor,
+            returns_list,
+            NDAstroData
+        )
 
         class MyAstroData(AstroData):
             @astro_data_descriptor
@@ -431,7 +436,7 @@ def axis_dict(self):
         return dict(zip(self._axis_names, self))
 
     def __getnewargs__(self):
-        """Return the arguments needed to create a new instance of this object."""
+        """Return arguments needed to create an equivalent Section instance."""
         return tuple(self)
 
     def __getattr__(self, attr):
@@ -546,7 +551,8 @@ def contains(self, section):
         Returns
         -------
         bool
-            True if the Section is entirely within this Section, otherwise False.
+            True if the Section is entirely within this Section, otherwise
+            False.
 
         Raises
         ------
@@ -616,8 +622,8 @@ def overlap(self, section):
 
         Notes
         -----
-        If sections do not overlap, a warning is logged when None is returned. This is to
-        help with debugging, as it is often not an error condition.
+        If sections do not overlap, a warning is logged when None is returned.
+        This is to help with debugging, as it is often not an error condition.
         """
         if self.ndim != section.ndim:
             raise ValueError("Sections have different dimensionality")