diff --git a/src/f3dasm/_src/design/parameter.py b/src/f3dasm/_src/design/parameter.py
index 7d21bc70..07b67e3f 100644
--- a/src/f3dasm/_src/design/parameter.py
+++ b/src/f3dasm/_src/design/parameter.py
@@ -279,7 +279,7 @@ def _check_range(self):
             raise ValueError("step size must be larger than 0!")
 
 
-@ dataclass
+@dataclass
 class _CategoricalParameter(_Parameter):
     """Create a search space parameter that is categorical
 
diff --git a/src/f3dasm/_src/experimentdata/experimentdata.py b/src/f3dasm/_src/experimentdata/experimentdata.py
index f8dd6705..55af5d16 100644
--- a/src/f3dasm/_src/experimentdata/experimentdata.py
+++ b/src/f3dasm/_src/experimentdata/experimentdata.py
@@ -240,7 +240,7 @@ def wrapper_func(self: ExperimentData, *args, **kwargs) -> None:
     #                                                                Properties
     # =========================================================================
 
-    @ property
+    @property
     def index(self) -> pd.Index:
         """Returns an iterable of the job number of the experiments
 
@@ -257,7 +257,7 @@ def index(self) -> pd.Index:
     #                                                  Alternative Constructors
     # =========================================================================
 
-    @ classmethod
+    @classmethod
     def from_file(cls: Type[ExperimentData],
                   project_dir: Path | str) -> ExperimentData:
         """Create an ExperimentData object from .csv and .json files.