diff --git a/specparam/objs/event.py b/specparam/objs/event.py
index 80044ed7..a10d8208 100644
--- a/specparam/objs/event.py
+++ b/specparam/objs/event.py
@@ -226,9 +226,6 @@ def fit(self, freqs=None, spectrograms=None, freq_range=None, peak_org=None,
         Data is optional, if data has already been added to the object.
         """
 
-        # ToDo: here because of circular import - updates / refactors should fix & move
-        #from specparam.objs.group import _progress
-
         if spectrograms is not None:
             self.add_data(freqs, spectrograms, freq_range)
 
@@ -274,7 +271,7 @@ def drop(self, drop_inds=None, window_inds=None):
         null_model = SpectralModel(*self.get_settings()).get_results()
 
         drop_inds = drop_inds if isinstance(drop_inds, dict) else \
-            {eind : winds for eind, winds in zip(check_inds(drop_inds), repeat(window_inds))}
+            dict(zip(check_inds(drop_inds), repeat(window_inds)))
 
         for eind, winds in drop_inds.items():
 
diff --git a/specparam/sim/sim.py b/specparam/sim/sim.py
index ab7886bc..ff01cb8b 100644
--- a/specparam/sim/sim.py
+++ b/specparam/sim/sim.py
@@ -3,7 +3,8 @@
 import numpy as np
 
 from specparam.core.utils import check_iter, check_flat
-from specparam.core.modutils import docs_get_section, replace_docstring_sections
+from specparam.core.modutils import (docs_get_section, replace_docstring_sections,
+                                     docs_replace_param)
 from specparam.sim.params import collect_sim_params
 from specparam.sim.gen import gen_freqs, gen_power_vals, gen_rotated_power_vals
 from specparam.sim.transform import compute_rotation_offset
@@ -259,8 +260,11 @@ def sim_group_power_spectra(n_spectra, freq_range, aperiodic_params, periodic_pa
     else:
         return freqs, powers
 
-# ToDo: need an update to docstring to replace `n_spectra` with `n_windows`
-@replace_docstring_sections(docs_get_section(sim_group_power_spectra.__doc__, 'Parameters'))
+
+@replace_docstring_sections(\
+    docs_replace_param(docs_get_section(\
+        sim_group_power_spectra.__doc__, 'Parameters'),
+        'n_spectra', 'n_windows : int\n        The number of time windows to generate.'))
 def sim_spectrogram(n_windows, freq_range, aperiodic_params, periodic_params,
                     nlvs=0.005, freq_res=0.5, f_rotation=None, return_params=False):
     """Simulate spectrogram.
diff --git a/specparam/tests/core/test_modutils.py b/specparam/tests/core/test_modutils.py
index 90d287d4..8cd683a4 100644
--- a/specparam/tests/core/test_modutils.py
+++ b/specparam/tests/core/test_modutils.py
@@ -43,15 +43,15 @@ def test_docs_replace_param(tdocstring):
 
     new_param = 'updated : other\n        This description has been dropped in.'
 
-    ndocstring = docs_replace_param(tdocstring, 'first', new_param)
-    assert 'updated' in ndocstring
-    assert 'first' not in ndocstring
-    assert 'second' in ndocstring
-
-    ndocstring = docs_replace_param(tdocstring, 'second', new_param)
-    assert 'updated' in ndocstring
-    assert 'first' in ndocstring
-    assert 'second' not in ndocstring
+    ndocstring1 = docs_replace_param(tdocstring, 'first', new_param)
+    assert 'updated' in ndocstring1
+    assert 'first' not in ndocstring1
+    assert 'second' in ndocstring1
+
+    ndocstring2 = docs_replace_param(tdocstring, 'second', new_param)
+    assert 'updated' in ndocstring2
+    assert 'first' in ndocstring2
+    assert 'second' not in ndocstring2
 
 def test_docs_append_to_section(tdocstring):