diff --git a/luxtronik/data_vector.py b/luxtronik/data_vector.py
index 984b66d..96d2ee2 100644
--- a/luxtronik/data_vector.py
+++ b/luxtronik/data_vector.py
@@ -15,6 +15,7 @@ def __init__(self):
         self._data = {}
 
     def __iter__(self):
+        """Iterator for the data entries."""
         return iter(self._data.items())
 
     def parse(self, raw_data):
@@ -30,7 +31,13 @@ def parse(self, raw_data):
                 self._data[index] = entry
 
     def _lookup(self, target, with_index=False):
-        """Lookup entry by either id or name."""
+        """
+        Lookup an entry
+
+        "target" could either be its id or its name.
+
+        In case "with_index" is set, also the index is returned.
+        """
         if isinstance(target, str):
             try:
                 # Try to get entry by id
diff --git a/tests/test_parameters.py b/tests/test_parameters.py
index feccf3e..c803852 100644
--- a/tests/test_parameters.py
+++ b/tests/test_parameters.py
@@ -11,6 +11,7 @@ class TestParameters:
     def test_init(self):
         """Test cases for initialization"""
         parameters = Parameters()
+        assert parameters.name == "Parameter"
         assert parameters.safe
         assert len(parameters.queue) == 0