diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3be1b6deafa12875ce74dcc6e711d96ee85e0482..624c2b293044ddb4cc9208a807367681d6d24b1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -130,6 +130,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * `TableImporter.check_missing` in case of array-valued fields in table
 * YAML model parser has better description handling.
+* YAML model parser shows "LinkAhead" and "the yaml file" in its comparison display
+  instead of "old" and "new".
 
 ### Documentation ###
 
diff --git a/src/caosadvancedtools/models/data_model.py b/src/caosadvancedtools/models/data_model.py
index bd3888b812549fe37f78f31d699e31ad88485291..3be5600239d97689604a64492896e3083d5acd72 100644
--- a/src/caosadvancedtools/models/data_model.py
+++ b/src/caosadvancedtools/models/data_model.py
@@ -146,7 +146,9 @@ class DataModel(dict):
                     query = db.Query(f"FIND ENTITY with id={ent.id}")
                     ref = query.execute(unique=True)
                 diff = (describe_diff(*compare_entities(ent, ref),
-                                      name=ent.name))
+                                      name=ent.name,
+                                      label_e0="version from the yaml file",
+                                      label_e1="version from LinkAhead"))
 
                 if diff != "":
                     if verbose:
diff --git a/unittests/test_yaml_model_parser.py b/unittests/test_yaml_model_parser.py
index c578cc333cd9122e9f9399507a5e98aaed8440e7..9ca92a1d696d691d1e4b8eccbd85655ec1488a3b 100644
--- a/unittests/test_yaml_model_parser.py
+++ b/unittests/test_yaml_model_parser.py
@@ -21,8 +21,11 @@ from datetime import date
 from tempfile import NamedTemporaryFile
 from pytest import raises, mark
 
+from unittest.mock import Mock
+
 import linkahead as db
 
+import caosadvancedtools
 from caosadvancedtools.models.parser import (TwiceDefinedException,
                                              YamlDefinitionError,
                                              parse_model_from_string,
@@ -644,6 +647,46 @@ RT2:
 }"""
 
 
+def test_sync_output(capfd):
+    model = parse_model_from_string("""
+RT:
+  obligatory_properties:
+    identifier:
+      datatype: TEXT
+""")
+
+    existing_entities = [db.RecordType(name="RT", id=25).add_property(name="identifier",
+                                                                      datatype="INTEGER",
+                                                                      importance="OBLIGATORY",
+                                                                      id=24),
+                         db.Property(name="identifier", datatype="INTEGER", id=24)]
+
+    def get_existing_entities(ent_cont):
+        return existing_entities
+
+    class MockQuery:
+        def __init__(self, q):
+            self.q = q
+
+        def execute(self, unique=True):
+            id = int(self.q.split("=")[1])
+            for existing_ent in existing_entities:
+                if existing_ent.id == id:
+                    return existing_ent
+            return None
+
+    model.get_existing_entities = get_existing_entities
+    caosadvancedtools.models.parser.db.Query = MockQuery
+    caosadvancedtools.models.parser.db.Container.update = Mock()
+
+    model.sync_data_model(True, True)
+    assert caosadvancedtools.models.parser.db.Container.update.called
+    output, err = capfd.readouterr()
+    print(output)
+    assert "version from the yaml file: TEXT" in output
+    assert "version from LinkAhead: INTEGER" in output
+
+
 def test_setting_values():
     model = parse_model_from_string("""
   parameter: