diff --git a/src/caoscrawler/identifiable.py b/src/caoscrawler/identifiable.py
index d396fee571329c51209652c0f3c2e9a53401174d..c7312e12addb89c74d406bdc0e63e1e21e07e12a 100644
--- a/src/caoscrawler/identifiable.py
+++ b/src/caoscrawler/identifiable.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # encoding: utf-8
 #
-# This file is a part of the CaosDB Project.
+# This file is a part of the LinkAhead Project.
 #
 # Copyright (C) 2022 Henrik tom Wörden
 #
@@ -37,10 +37,10 @@ logger = logging.getLogger(__name__)
 
 class Identifiable():
     """
-    The fingerprint of a Record in CaosDB.
+    The fingerprint of a Record in LinkAhead.
 
-    This class contains the information that is used by the CaosDB Crawler to identify Records.
-    In order to check whether a Record exits in the CaosDB Server, a query can
+    This class contains the information that is used by the LinkAhead Crawler to identify Records.
+    In order to check whether a Record exits in the LinkAhead Server, a query can
     be created using the information contained in the Identifiable.
 
     Parameters
@@ -84,7 +84,7 @@ class Identifiable():
     def _value_representation(value) -> str:
         """returns the string representation of property values to be used in the hash function
 
-        The string is the CaosDB ID in case of SyncNode objects (SyncNode objects must have an ID)
+        The string is the LinkAhead ID in case of SyncNode objects (SyncNode objects must have an ID)
         and the string representation of None, bool, float, int, datetime and str.
         """
 
diff --git a/src/caoscrawler/identifiable_adapters.py b/src/caoscrawler/identifiable_adapters.py
index d46d29373d2cb5bb11e12e4128e301687449cd33..2b0cd294b5304552e0a80f9da29e1737ad8f9c58 100644
--- a/src/caoscrawler/identifiable_adapters.py
+++ b/src/caoscrawler/identifiable_adapters.py
@@ -2,7 +2,7 @@
 # encoding: utf-8
 #
 # ** header v3.0
-# This file is a part of the CaosDB Project.
+# This file is a part of the LinkAhead Project.
 #
 # Copyright (C) 2021-2022 Henrik tom Wörden
 #               2021-2022 Alexander Schlemmer
diff --git a/unittests/test_sync_node.py b/unittests/test_sync_node.py
index 1fc2be6833df9774adf99b40987b1c944fbd5029..31f54a3b2f144c91351fdabe93589363af4486b1 100644
--- a/unittests/test_sync_node.py
+++ b/unittests/test_sync_node.py
@@ -129,10 +129,6 @@ def test_sync_node():
     assert export.name == rec_a.name
     for p in rec_a.parents + rec_b.parents:
         assert parent_in_list(p, export.parents)
-        # if p.name is not None:
-        #    assert p.name in [el.name for el in export.parents]
-        # if p.id is not None:
-        #    assert p.id in [el.id for el in export.parents]
     for p in rec_a.properties + rec_b.properties:
         if p.name is not None:
             assert p.name in [el.name for el in export.properties]
@@ -170,33 +166,32 @@ def test_sync_node():
 
     # merge with conflicting information
     # ----------------------------------
+    # ID mismatch
     sn_a = SyncNode(db.Record(id=102))
     with pytest.raises(ValueError, match="Trying to update"):
         sn_a.update(SyncNode(db.Record(id=101)))
 
+    # name mismatch
     sn_a = SyncNode(db.Record(name='102'))
     with pytest.raises(ValueError, match="Trying to update"):
         sn_a.update(SyncNode(db.Record(name='101')))
 
+    # type mismatch
     sn_a = SyncNode(db.Record(name='102'))
     with pytest.raises(ValueError, match="Trying to update"):
         sn_a.update(SyncNode(db.File(name='102')))
 
+    # description mismatch
     sn_a = SyncNode(db.Record(description='102'))
     with pytest.raises(ValueError, match="Trying to update"):
         sn_a.update(SyncNode(db.Record(description='101')))
 
+    # path mismatch
     sn_a = SyncNode(db.File(path='102'))
     with pytest.raises(ValueError, match="Trying to update"):
         sn_a.update(SyncNode(db.File(path='101')))
 
-    sn_a = SyncNode(db.File(path='102'))
-    sn_a.identifiable = Identifiable(name='a')
-    # sn_b.identifiable = Identifiable(name='b')
-    sn_b = SyncNode(db.File(path='101'))
-    with pytest.raises(ValueError, match="Trying to update"):
-        sn_a.update(sn_b)
-
+    # identifiable mismatch
     sn_a = SyncNode(db.File(path='102'))
     sn_a.identifiable = Identifiable(name='a')
     sn_b = SyncNode(db.File(path='101'))