diff --git a/Palette/env/engine.py b/Palette/env/engine.py
index 69d6291..ba9ffa7 100644
--- a/Palette/env/engine.py
+++ b/Palette/env/engine.py
@@ -262,7 +262,7 @@ class SeaEnvEngine(object):
             raise AssertionError("Cannot continue running after crash!")
 
         for ship_id, action in enumerate(actions):
-            if action == UP:  # up
+            if action == UP:  
                 self._ship_charging[ship_id] = False
                 self._ship_charging_time_left[ship_id] = 0
                 self.ship_body[ship_id].angle = 1.5*np.pi