diff --git a/share/tracking.yaml b/share/tracking.yaml
index 0f8766b8..b9c98488 100644
--- a/share/tracking.yaml
+++ b/share/tracking.yaml
@@ -8,6 +8,6 @@ PATHS:
 TRACK_DURATION_MIN: 4
 VIRTUAL_LENGTH_MAX: 0
 
-#CLASS:
-#    MODULE: py_eddy_tracker.featured_tracking.old_tracker_reference
-#    CLASS: CheltonTracker
+CLASS:
+   MODULE: py_eddy_tracker.featured_tracking.area_tracker
+   CLASS: AreaTracker
diff --git a/src/py_eddy_tracker/dataset/grid.py b/src/py_eddy_tracker/dataset/grid.py
index bd9e70d3..a2237c61 100644
--- a/src/py_eddy_tracker/dataset/grid.py
+++ b/src/py_eddy_tracker/dataset/grid.py
@@ -617,7 +617,10 @@ def eddy_identification(
         :param float,None precision: Truncate values at the defined precision in m
         :param str force_height_unit: Unit used for height unit
         :param str force_speed_unit: Unit used for speed unit
-        :param dict kwargs: Argument given to amplitude
+        :param dict kwargs: Arguments given to amplitude (mle, nb_step_min, nb_step_to_be_mle).
+            Look at :py:meth:`py_eddy_tracker.eddy_feature.Amplitude`
+            The amplitude threshold is given by `step*nb_step_min`
+
 
         :return: Return a list of 2 elements: Anticyclones and Cyclones
         :rtype: py_eddy_tracker.observations.observation.EddiesObservations
diff --git a/src/py_eddy_tracker/eddy_feature.py b/src/py_eddy_tracker/eddy_feature.py
index 037beb35..f6db848b 100644
--- a/src/py_eddy_tracker/eddy_feature.py
+++ b/src/py_eddy_tracker/eddy_feature.py
@@ -65,7 +65,7 @@ def __init__(
         :param float contour_height:
         :param array data:
         :param float interval:
-        :param int mle: maximum number of local maxima in contour
+        :param int mle: maximum number of local extrema in contour
         :param int nb_step_min: number of intervals to consider an eddy
         :param int nb_step_to_be_mle: number of intervals to be considered as an another maxima
         """
diff --git a/src/py_eddy_tracker/generic.py b/src/py_eddy_tracker/generic.py
index a48c0e2f..94cf321f 100644
--- a/src/py_eddy_tracker/generic.py
+++ b/src/py_eddy_tracker/generic.py
@@ -309,7 +309,7 @@ def uniform_resample(x_val, y_val, num_fac=2, fixed_size=None):
     :param array_like x_val: input x contour coordinates
     :param array_like y_val: input y contour coordinates
     :param int num_fac: factor to increase lengths of output coordinates
-    :param int,None fixed_size: if define, it will used to set sampling
+    :param int,None fixed_size: if defined, will be used to set sampling
     """
     nb = x_val.shape[0]
     # Get distances