diff --git a/docs/api/utils/Preprocessor.rst b/docs/api/utils/Preprocessor.rst
new file mode 100644
index 0000000..f343ce7
--- /dev/null
+++ b/docs/api/utils/Preprocessor.rst
@@ -0,0 +1,5 @@
+mambular.utils
+==============
+
+.. autoclass:: mambular.preprocessing.Preprocessor
+    :members:
diff --git a/mambular/__version__.py b/mambular/__version__.py
index d82b41a..a99a72e 100644
--- a/mambular/__version__.py
+++ b/mambular/__version__.py
@@ -1,4 +1,4 @@
 """Version information."""
 
 # The following line *must* be the last in the module, exactly as formatted:
-__version__ = "0.1.4"
+__version__ = "0.1.5"
diff --git a/mambular/models/resnet.py b/mambular/models/resnet.py
index 86049ef..8f3cc96 100644
--- a/mambular/models/resnet.py
+++ b/mambular/models/resnet.py
@@ -80,7 +80,7 @@ class ResNetRegressor(SklearnBaseRegressor):
     Examples
     --------
     >>> from mambular.models import ResNetRegressor
-    >>> model = ResNetRegressor(d_model=64, n_layers=8)
+    >>> model = ResNetRegressor()
     >>> model.fit(X_train, y_train)
     >>> preds = model.predict(X_test)
     >>> model.evaluate(X_test, y_test)
@@ -165,7 +165,7 @@ class ResNetClassifier(SklearnBaseClassifier):
     Examples
     --------
     >>> from mambular.models import ResNetClassifier
-    >>> model = ResNetClassifier(d_model=64, n_layers=8)
+    >>> model = ResNetClassifier()
     >>> model.fit(X_train, y_train)
     >>> preds = model.predict(X_test)
     >>> model.evaluate(X_test, y_test)
@@ -253,7 +253,7 @@ class ResNetLSS(SklearnBaseLSS):
     Examples
     --------
     >>> from mambular.models import ResNetLSS
-    >>> model = ResNetLSS(d_model=64, n_layers=8)
+    >>> model = ResNetLSS()
     >>> model.fit(X_train, y_train, family="normal")
     >>> preds = model.predict(X_test)
     >>> model.evaluate(X_test, y_test)