diff --git a/pyproject.toml b/pyproject.toml
index bd6e26c..d170fad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "teilchensammler-cli"
-version = "0.3.2"
+version = "0.3.3"
 description = "Build up and maintain an inventory of electronics parts and tools."
 readme = "README.md"
 requires-python = ">=3.12,<4.0"
diff --git a/src/teilchensammler_cli/database.py b/src/teilchensammler_cli/database.py
index e226215..b58456b 100644
--- a/src/teilchensammler_cli/database.py
+++ b/src/teilchensammler_cli/database.py
@@ -3,7 +3,7 @@ from sqlmodel import SQLModel, create_engine
 
 
 sqlite_url = os.environ.get("DATABASE_URL", "sqlite:///database.db")
-engine = create_engine(sqlite_url, echo=True)
+engine = create_engine(sqlite_url, echo=False)
 
 
 def create_db_and_tables():
diff --git a/src/teilchensammler_cli/main.py b/src/teilchensammler_cli/main.py
index c1706ef..4b0364b 100644
--- a/src/teilchensammler_cli/main.py
+++ b/src/teilchensammler_cli/main.py
@@ -17,7 +17,7 @@ logging.basicConfig(
 logger = logging.getLogger(__name__)
 
 
-class SammlerApp(App[None]):
+class SammlerApp(App):
     async def on_mount(self) -> None:
         create_db_and_tables()
         _ = self.push_screen(AddInventoryScreen())
diff --git a/src/teilchensammler_cli/models.py b/src/teilchensammler_cli/models.py
index 86233f4..f72650e 100644
--- a/src/teilchensammler_cli/models.py
+++ b/src/teilchensammler_cli/models.py
@@ -37,14 +37,22 @@ async def make_teilchen_input(text: str) -> TeilchenCreate | None:
     import re
     from natsort import natsorted
 
+    text = text.strip()
+
     if not text:
         logger.error("Empty text.")
         return None
 
     name_end = text.find(".")
-    name = text[0:name_end]
+    if name_end == -1:  # "." not in text
+        logger.warning("Missing period '.' from text.")
+        logger.debug("Could not find period symbol in input: %s", text)
+        return None
+    else:
+        name = text[0:name_end]
+
     if not name:
-        logger.error("Could not extract name.")
+        logger.warning("Could not extract name.")
         logger.debug("Could not extract name from input: %s", text)
         return None
 
diff --git a/src/teilchensammler_cli/tui.py b/src/teilchensammler_cli/tui.py
index 37c44f9..87ffa62 100644
--- a/src/teilchensammler_cli/tui.py
+++ b/src/teilchensammler_cli/tui.py
@@ -7,7 +7,7 @@ from textual.widgets import Button, DataTable, Footer, Header, Input, Static
 from .models import load_initial_data
 
 
-FAKE_DATA_HEADER = "pk Name Description Number Tags".split()
+TEILCHEN_DATA_HEADER = "pk Name Description Number Tags".split()
 
 
 class SearchBar(Static):
@@ -46,12 +46,12 @@ class SearchResults(Widget):
         yield DataTable(id="table-search-result", cursor_type="row", zebra_stripes=True)
 
     async def on_mount(self) -> None:
-        table: DataTable[None] = self.query_one(DataTable[None])
-        _ = table.add_columns(*FAKE_DATA_HEADER)
-        _ = table.add_rows(await load_initial_data())
+        table: DataTable = self.query_one(DataTable)
+        table.add_columns(*TEILCHEN_DATA_HEADER)
+        table.add_rows(await load_initial_data())
 
 
-class AddInventoryScreen(Screen[None]):
+class AddInventoryScreen(Screen):
     def compose(self) -> ComposeResult:
         yield Header()
         yield SearchBar()
diff --git a/tests.py b/tests.py
index 521a238..0b547c6 100644
--- a/tests.py
+++ b/tests.py
@@ -1,4 +1,54 @@
+from typing import TypedDict
+import pytest
+import logging
+
+from teilchensammler_cli.models import TeilchenCreate, make_teilchen_input
+
+logger = logging.getLogger(__name__)
+
+
 def test_initial_layout(snap_compare):
     from teilchensammler_cli.main import app
 
     assert snap_compare(app, terminal_size=(130, 40))
+
+
+class Teilchen(TypedDict):
+    """The things I do for my LSP..."""
+
+    name: str
+    description: str
+    tags: str
+    text: str
+    number: int
+
+
+empty_teilchen: Teilchen = {
+    "name": "",
+    "description": "",
+    "tags": "",
+    "text": "",
+    "number": 1,
+}
+
+
+@pytest.mark.parametrize(
+    "example_input,expected",
+    [
+        ("", None),
+        ("a", None),
+        ("a.", {"name": "a", "text": "a."}),
+        ("aa", None),
+        ("aa.", {"name": "aa", "text": "aa."}),
+    ],
+)
+async def test_teilchendata_must_include_period(
+    example_input: str, expected: dict[str, str | int] | None
+) -> None:
+
+    thing = expected
+    if expected:
+        arguments = empty_teilchen | expected
+        thing = TeilchenCreate(**arguments)  # ty:ignore[invalid-argument-type]
+
+    assert await make_teilchen_input(example_input) == thing
diff --git a/uv.lock b/uv.lock
index 73025de..015d5a5 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1249,7 +1249,7 @@ wheels = [
 
 [[package]]
 name = "teilchensammler-cli"
-version = "0.3.2"
+version = "0.3.3"
 source = { editable = "." }
 dependencies = [
     { name = "ciso8601" },