diff --git a/pyproject.toml b/pyproject.toml
index a685732..fa751e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name="DIMet"
-version="0.2.0"
+version="0.2.1"
 description="A tool for Differential analysis of Isotope-labeled targeted Metabolomics data"
 readme="README.md"
 license = "MIT"
diff --git a/src/dimet/data/__init__.py b/src/dimet/data/__init__.py
index 509333f..ec57b22 100644
--- a/src/dimet/data/__init__.py
+++ b/src/dimet/data/__init__.py
@@ -75,7 +75,6 @@ def preload(self):
         else:
             self.sub_folder_absolute = self.config.subfolder
 
-
         # start loading the dataframes
         file_paths = [
             ("metadata", os.path.join(self.sub_folder_absolute,
diff --git a/src/dimet/processing/differential_analysis.py b/src/dimet/processing/differential_analysis.py
index 61dd37c..05b3cde 100644
--- a/src/dimet/processing/differential_analysis.py
+++ b/src/dimet/processing/differential_analysis.py
@@ -267,8 +267,8 @@ def compute_p_value(df: pd.DataFrame, test: str, best_dist,
         df["pvalue"] = 2 * (
                     1 - best_dist.cdf(abs(df["zscore"]), **args_param))
     else:
-        print(
-            "WARNING: two-tailed or not")  # TODO: clarify the warning message
+        print("WARNING [compute_p_value]: only 'right-tailed' or " 
+              "'two-sided' as test argument supported")
     return df