diff --git a/EasyReflectometryApp/Backends/Py/home.py b/EasyReflectometryApp/Backends/Py/home.py
index 606902b8..7659f8ad 100644
--- a/EasyReflectometryApp/Backends/Py/home.py
+++ b/EasyReflectometryApp/Backends/Py/home.py
@@ -13,14 +13,14 @@ def __init__(self, parent=None):
         super().__init__(parent)
 
     @Property('QVariant', constant=True)
-    def version(self) -> dict[str:str]:
+    def version(self) -> dict[str, str]:
         return {
             'number': PYPROJECT['project']['version'],
-            'date': PYPROJECT['project']['release_data'],
+            'date': PYPROJECT['project']['release_date'],
         }
 
     @Property('QVariant', constant=True)
-    def urls(self) -> dict[str:str]:
+    def urls(self) -> dict[str, str]:
         return {
             'homepage': PYPROJECT['project']['urls']['homepage'],
             'issues': PYPROJECT['project']['urls']['issues'],
diff --git a/pyproject.toml b/pyproject.toml
index 9d9448f4..eef883fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = 'hatchling.build'
 [project]
 name = 'EasyReflectometryApp'
 version = '1.3.1'
-release_data = '1 May 2026'
+release_date = '1 May 2026'
 description = "Making reflectometry data analysis and modelling easy."
 authors = [
     {name = "Andrew R. McCluskey"},