diff --git a/doc/conf.py b/doc/conf.py
index 162ba56d4..e40b03677 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -24,6 +24,7 @@
 All configuration values have a default; values that are commented out
 serve to show the default.
 """
+
 # ruff: noqa: E402
 import datetime
 import inspect
@@ -359,6 +360,11 @@ def setup(app):
 exclude_patterns = [
     "**/Python27*",
     "**/ccl*",
+    # prevent sphinx-gallery from causing duplicate source file errors
+    "gallery/**/*.ipynb",
+    "gallery/**/*.md5",
+    "gallery/**/*.zip",
+    "gallery/**/*.json",
     "**.ipynb_checkpoints",
     "_build",
 ]  # , '**/tests*']
diff --git a/doc/gallery-src/framework/run_chartOfNuclides.py b/doc/gallery-src/framework/run_chartOfNuclides.py
index f0818d7e4..5a4516ffc 100644
--- a/doc/gallery-src/framework/run_chartOfNuclides.py
+++ b/doc/gallery-src/framework/run_chartOfNuclides.py
@@ -22,7 +22,9 @@
 
     Our :ref:`extended tutorial for nuclides </tutorials/nuclide_demo.ipynb>` and
     detailed :py:mod:`nucDirectory docs <armi.nucDirectory>` may also be of interest.
+
 """
+
 import matplotlib.pyplot as plt
 
 from armi import configure
diff --git a/doc/gallery-src/framework/run_fuelManagement.py b/doc/gallery-src/framework/run_fuelManagement.py
index a55adcab2..7512f8c17 100644
--- a/doc/gallery-src/framework/run_fuelManagement.py
+++ b/doc/gallery-src/framework/run_fuelManagement.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 """
 Fuel management in a LWR.
+=========================
 
 Demo of locating and swapping assemblies in a core with Cartesian geometry. Given a burnup
 distribution, this swaps high burnup assemblies with low ones.
@@ -26,6 +27,7 @@
 ARMI to do fuel management. Thus, this example applies a dummy burnup distribution for
 demonstration purposes.
 """
+
 # Tell the gallery to feature the 2nd image
 # sphinx_gallery_thumbnail_number = 2
 import math