diff --git a/trap/stage.py b/trap/stage.py
index d00f547..14eedf9 100644
--- a/trap/stage.py
+++ b/trap/stage.py
@@ -89,7 +89,7 @@ class AppendableLine(LineGenerator):
         self._drawn_points[-1] = (float(x), float(y))
     
 class ProceduralChain(LineGenerator):
-    MOVE_DECAY_SPEED = 50
+    MOVE_DECAY_SPEED = 80 # speed at which the drawing head should approach the next point
     VELOCITY_DAMPING = 10
     VELOCITY_FACTOR = 2
     link_size = .1 # 10cm
@@ -456,10 +456,10 @@ class DrawnScenario(TrackScenario):
     DrawnScenario class does the actual drawing of points incl. transitions
     """
 
-    ANOMALY_DECAY = .2
-    DISTANCE_ANOMALY_FACTOR = .05
-    MAX_HISTORY = 80
-    CUT_GAP = 5
+    ANOMALY_DECAY = .2 # speed with which the cirlce shrinks over time
+    DISTANCE_ANOMALY_FACTOR = .05 # the ammount to which the difference counts to the anomaly score
+    MAX_HISTORY = 80 # points of history of trajectory to display (preventing too long lines)
+    CUT_GAP = 5 # when adding a new prediction, keep the existing prediction until that point + this CUT_GAP margin
 
     def __init__(self):
         # self.created_at = time.time()