diff --git a/pyproject.toml b/pyproject.toml
index 8e22790..9ccca90 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "scorepilot"
-version = "0.22.0"
+version = "0.22.1"
 description = "Web-based tool for PCA/PLS model analysis in chemometrics."
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/scorepilot/core/profiling.py b/src/scorepilot/core/profiling.py
index 74f0540..17d5974 100644
--- a/src/scorepilot/core/profiling.py
+++ b/src/scorepilot/core/profiling.py
@@ -142,9 +142,11 @@ def sequence(series: pd.Series) -> list[float | None]:
 def suggest_transform(summary: VariableSummary) -> TransformKind:
     """Suggest a transform from a variable's shape.
 
-    A strongly right-skewed, strictly positive variable with a wide dynamic range
-    is a candidate for a log transform; a milder skew suggests a signed power
-    (root). Otherwise no transform is suggested.
+    A strongly right-skewed (skewness > 1.0), strictly positive variable with a
+    wide dynamic range (min/max ratio > 20) is a candidate for a log transform.
+    A strongly right-skewed variable that is not strictly positive or lacks a
+    wide dynamic range falls back to a signed power (root). Otherwise no
+    transform is suggested.
     """
     if summary.column_type is not ColumnType.QUANTITATIVE or summary.skewness is None:
         return TransformKind.NONE