diff --git a/jnius/jnius_utils.pxi b/jnius/jnius_utils.pxi
index 2f9516c..a5684bf 100644
--- a/jnius/jnius_utils.pxi
+++ b/jnius/jnius_utils.pxi
@@ -405,7 +405,7 @@ cdef int calculate_score(sign_args, args, is_varargs=False) except *:
 
 cdef readable_sig(sig, is_var):
     """
-    Converts JNI signature to easily readable Signature.
+    Converts JNI signature to easily readable signature.
     :param sig: JNI signature string
     :param is_var: if the function has varargs
     :return:([arg], rtn)
diff --git a/tests/test_dir.py b/tests/test_dir.py
index 325720f..8b94a76 100644
--- a/tests/test_dir.py
+++ b/tests/test_dir.py
@@ -7,24 +7,32 @@ from jnius.reflect import autoclass
 class DirTest(unittest.TestCase):
 
     def test_varargs_dir(self):
+        # >>> from jnius import autoclass
+        # >>> cls = autoclass('java.lang.System')
+        # >>> dir(cls.out.printf)
+        # [(['java/lang/String', 'java/lang/Object...'], 'java/io/PrintStream'),
+        # (['java/util/Locale', 'java/lang/String', 'java/lang/Object...'], 'java/io/PrintStream')]
         cls = autoclass("java.lang.System")
         assert isinstance(dir(cls.out.printf), list)
-        #[(['java/lang/String', 'java/lang/Object...'], 'java/io/PrintStream'),
-        # (['java/util/Locale', 'java/lang/String', 'java/lang/Object...'], 'java/io/PrintStream')]
         for f in dir(cls.out.printf):
             assert isinstance(f, tuple)
 
     def test_array_dir(self):
+        # >>> from jnius import autoclass
+        # >>> cls = autoclass('java.util.List')
+        # >>> dir(cls.toArray)
+        # [([], 'java/lang/Object[]'),
+        # (['java/lang/Object[]'], 'java/lang/Object[]')]
         cls = autoclass("java.util.List")
         assert isinstance(dir(cls.toArray), list)
-        #[([], 'java/lang/Object[]'),
-        # (['java/lang/Object[]'], 'java/lang/Object[]')]
+
         for f in dir(cls.toArray):
             assert isinstance(f, tuple)
 
     def test_dir(self):
-        cls = autoclass("java.lang.String")
-        assert isinstance(dir(cls.valueOf), list)
+        # >>> from jnius import autoclass
+        # >>> cls = autoclass('java.lang.String')
+        # >>> dir(cls.valueOf)
         # [(['boolean'], 'java/lang/String'),
         #  (['char'], 'java/lang/String'),
         #  (['char[]'], 'java/lang/String'),
@@ -34,6 +42,8 @@ class DirTest(unittest.TestCase):
         #  (['int'], 'java/lang/String'),
         #  (['java/lang/Object'], 'java/lang/String'),
         #  (['long'], 'java/lang/String')]
+        cls = autoclass("java.lang.String")
+        assert isinstance(dir(cls.valueOf), list)
         for f in dir(cls.charAt):
             assert isinstance(f, tuple)