diff --git a/openmc/_xml.py b/openmc/_xml.py
index 6d298638da..aeaeb45b52 100644
--- a/openmc/_xml.py
+++ b/openmc/_xml.py
@@ -16,7 +16,7 @@ def clean_indentation(element, level=0, spaces_per_level=2, trailing_indent=True
     """
     i = "\n" + level*spaces_per_level*" "
 
-    # ensure there's awlays some tail for the element passed in
+    # ensure there's always some tail for the element passed in
     if not element.tail:
         element.tail = ""
 
diff --git a/openmc/executor.py b/openmc/executor.py
index 9267366e89..38421ecc2c 100644
--- a/openmc/executor.py
+++ b/openmc/executor.py
@@ -95,7 +95,6 @@ def _run(args, output, cwd):
     p = subprocess.Popen(args, cwd=cwd, stdout=subprocess.PIPE,
                          stderr=subprocess.STDOUT, universal_newlines=True)
 
-    print(args)
     # Capture and re-print OpenMC output in real-time
     lines = []
     while True:
@@ -146,7 +145,7 @@ def plot_geometry(output=True, openmc_exec='openmc', cwd='.', path_input=None):
     """
     args = [openmc_exec, '-p']
     if path_input is not None:
-        args += ['-i', path_input]
+        args += [path_input]
     _run([openmc_exec, '-p'], output, cwd)
 
 
diff --git a/openmc/material.py b/openmc/material.py
index 332f8c9659..aa778cab64 100644
--- a/openmc/material.py
+++ b/openmc/material.py
@@ -1548,7 +1548,6 @@ class Materials(cv.CheckedList):
 
         return materials
 
-
     @classmethod
     def from_xml(cls, path: PathLike = 'materials.xml'):
         """Generate materials collection from XML file
diff --git a/openmc/model/model.py b/openmc/model/model.py
index a54cd60763..9983d5c60c 100644
--- a/openmc/model/model.py
+++ b/openmc/model/model.py
@@ -259,7 +259,7 @@ class Model:
         materials = {str(m.id): m for m in model.materials}
         model.geometry = openmc.Geometry.from_xml_element(root.find('geometry'), materials)
 
-        # gather meshses from other classes before reading the tally node
+        # gather meshes from other classes before reading the tally node
         meshes = {}
         if model.settings.entropy_mesh is not None:
             meshes[model.settings.entropy_mesh.id] = model.settings.entropy_mesh
diff --git a/src/initialize.cpp b/src/initialize.cpp
index 3b332c3b27..0c137795bb 100644
--- a/src/initialize.cpp
+++ b/src/initialize.cpp
@@ -352,7 +352,7 @@ bool read_model_xml() {
   auto other_inputs = {"materials.xml", "geometry.xml", "settings.xml", "tallies.xml", "plots.xml"};
   for (const auto& input : other_inputs) {
     if (file_exists(settings::path_input + input)) {
-      warning((fmt::format("Other XML file input(s) are present. These file "
+      warning((fmt::format("Other XML file input(s) are present. These files "
                            "will be ignored in favor of the {} file.",
         model_filename)));
       break;
@@ -371,7 +371,7 @@ bool read_model_xml() {
   // Read geometry
   if (!check_for_node(root, "geometry")) {
     fatal_error(fmt::format(
-      "No <geometry> node present in the model.xml_file.", model_filename));
+      "No <geometry> node present in the {} file.", model_filename));
   }
   read_geometry_xml(root.child("geometry"));
 
diff --git a/tests/regression_tests/model_xml/test.py b/tests/regression_tests/model_xml/test.py
index d040f4649f..fbff02357f 100644
--- a/tests/regression_tests/model_xml/test.py
+++ b/tests/regression_tests/model_xml/test.py
@@ -81,7 +81,8 @@ def test_input_arg(run_in_tmpdir):
     openmc.run()
 
     # make sure the executable isn't falling back on the separate XMLs
-    [os.remove(f) for f in glob.glob('*.xml')]
+    for f in glob.glob('*.xml'):
+        os.remove(f)
     # now export to a single XML file with a custom name
     pincell.export_to_xml(path='pincell.xml', separate_xmls=False)
     assert Path('pincell.xml').exists()