diff --git a/check_blender_release/check_static_binaries.py b/check_blender_release/check_static_binaries.py
index 80d4f97c79eab61531d1bdb88a060beb7e0eeeee..04bfa44ff63bb1ccbc36b90c02341e64749efb75 100644
--- a/check_blender_release/check_static_binaries.py
+++ b/check_blender_release/check_static_binaries.py
@@ -147,7 +147,7 @@ class UnitTesting(unittest.TestCase):
 
     def checkDirectory(self, directory):
         """
-        Recursively traverse directory and check every binary in in.
+        Recursively traverse directory and check every binary in.
         """
 
         for path in Path(directory).rglob("*"):
diff --git a/check_source/check_cmake_consistency.py b/check_source/check_cmake_consistency.py
index eff67a3da2add09698c2868939707740fcd43d1f..d4972924530f38f2be4ee57bfd37676b35f04c2a 100755
--- a/check_source/check_cmake_consistency.py
+++ b/check_source/check_cmake_consistency.py
@@ -218,7 +218,7 @@ def cmake_get_src(f: str) -> None:
 
 
             for l, line_number in tokens:
-                # replace dirs
+                # Replace directories.
                 l = l.replace("${CMAKE_SOURCE_DIR}", SOURCE_DIR)
                 l = l.replace("${CMAKE_CURRENT_SOURCE_DIR}", cmake_base)
                 l = l.replace("${CMAKE_CURRENT_BINARY_DIR}", cmake_base_bin)
diff --git a/modules/blendfile.py b/modules/blendfile.py
index ce84c70bd7616c8ae9141d06aefa496d1cd02ee7..5cbb2d12d315801f5c8db2dcb5aafeada8dc626f 100644
--- a/modules/blendfile.py
+++ b/modules/blendfile.py
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
-# (c) 2009 At Mind B.V. - Jeroen Bakker. (c) 2014 Blender Foundation - Campbell Barton.
+# Copyright 2009 At Mind B.V. - Jeroen Bakker.
+#           2014 Blender Foundation. - Campbell Barton.
 
 # -----------------------------------------------------------------------------
 # NOTICE: this module is expanded upon in Blender Asset Tracer.
diff --git a/utils/credits_git_gen.py b/utils/credits_git_gen.py
index bb1061d6606ef2be5234db856e0fe43d741d44b2..9084bbf14808d482647961b015e10b497bc5ad1d 100755
--- a/utils/credits_git_gen.py
+++ b/utils/credits_git_gen.py
@@ -9,7 +9,7 @@ Example use:
    credits_git_gen.py --source=/src/blender --range=SHA1..HEAD
 """
 
-from git_log import GitCommit, GitCommitIter
+from git_log import GitCommitIter
 import unicodedata as ud
 
 # -----------------------------------------------------------------------------
diff --git a/utils_ide/qtcreator/externaltools/qtc_assembler_preview.py b/utils_ide/qtcreator/externaltools/qtc_assembler_preview.py
index 0c4644fe75c2a01c2db0d2c77bc587b33e3a1f27..4fea066b1ec2eb52020b5c8d6ca4b8b68e9dc05c 100755
--- a/utils_ide/qtcreator/externaltools/qtc_assembler_preview.py
+++ b/utils_ide/qtcreator/externaltools/qtc_assembler_preview.py
@@ -133,7 +133,7 @@ def main():
                 ("-fno-common", 1),
                 ("-DDEBUG", 1), ("-D_DEBUG", 1),
 
-                # asan flags
+                # ASAN flags.
                 (re.compile(r"\-fsanitize=.*"), 1),
         ):
             if isinstance(arg, str):
diff --git a/utils_maintenance/cmake_sort_filelists.py b/utils_maintenance/cmake_sort_filelists.py
index 0c8f571c05348c17c68ccb4d4655c3359cc92852..41821b5059b8bbb3f7e69c83afa9ac952c3a6133 100755
--- a/utils_maintenance/cmake_sort_filelists.py
+++ b/utils_maintenance/cmake_sort_filelists.py
@@ -57,7 +57,7 @@ def sort_cmake_file_lists(fn: str, data_src: str) -> Optional[str]:
         a = a.split("#", 1)[0]
         b = b.split("#", 1)[0]
 
-        # Compare leading whitespace.
+        # Compare leading white-space.
         if a[:-(len(a.lstrip()))] == b[:-(len(b.lstrip()))]:
             # return False