diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index 7710e8c..87ff01f 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -240,7 +240,7 @@
     @classmethod
     @_requires_builtin
     def is_package(cls, fullname):
-        """Return None as built-in module are never packages."""
+        """Return None as built-in modules are never packages."""
         return False
 
 
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 8d51528..90aab86 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -489,6 +489,7 @@
         except zipfile.BadZipFile:
             self.assertTrue(zipfp2.fp is None, 'zipfp is not closed')
 
+    @skipUnless(zlib, "requires zlib")
     def test_unicode_filenames(self):
         # bug #10801
         fname = findfile('zip_cp437_header.zip')