diff --git a/sbom.py b/sbom.py
index 0f0208e5..813058c1 100644
--- a/sbom.py
+++ b/sbom.py
@@ -362,7 +362,7 @@ def create_pip_sbom_from_wheel(
             match = version_pin_re.match(line)
             assert (
                 match is not None
-            ), f"Unparseable line in vendor.txt: {line!r}"  # Make mypy happy.
+            ), f"Unparsable line in vendor.txt: {line!r}"  # Make mypy happy.
 
             # Parse out and normalize the project name.
             project_name, project_version = match.groups()
diff --git a/tests/test_update_version_next.py b/tests/test_update_version_next.py
index 95358ee7..10d197a6 100644
--- a/tests/test_update_version_next.py
+++ b/tests/test_update_version_next.py
@@ -8,7 +8,7 @@
 Directives to change
 --------------------
 
-Here, all occurences of NEXT (lowercase) should be changed:
+Here, all occurrences of NEXT (lowercase) should be changed:
 
 .. versionadded:: next