diff --git a/qutebrowser/browser/mhtml.py b/qutebrowser/browser/mhtml.py
index ce909f683..0fac55003 100644
--- a/qutebrowser/browser/mhtml.py
+++ b/qutebrowser/browser/mhtml.py
@@ -51,7 +51,9 @@ _CSS_URL_PATTERNS = [re.compile(x) for x in [
def _get_css_imports(data):
"""Return all assets that are referenced in the given CSS document.
+
The returned URLs are relative to the stylesheet's URL.
+
Args:
data: The content of the stylesheet to scan as string.
"""
diff --git a/tests/unit/browser/test_mhtml.py b/tests/unit/browser/test_mhtml.py
index c3a859488..106cb3fd7 100644
--- a/tests/unit/browser/test_mhtml.py
+++ b/tests/unit/browser/test_mhtml.py
@@ -5,7 +5,7 @@ import re
import pytest
-from qutebrowser.misc import mhtml
+from qutebrowser.browser import mhtml
@pytest.fixture(autouse=True)
def patch_uuid(monkeypatch):