Update taxi.py (openai#1943)

* Update taxi.py Clarify reward comments * Update taxi.py
MarkJeremy · Jun 19, 2020 · 5cbb9c3 · 5cbb9c3
1 parent 2d9652f
commit 5cbb9c3
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/gym/envs/toy_text/taxi.py b/gym/envs/toy_text/taxi.py
@@ -51,7 +51,9 @@ class TaxiEnv(discrete.DiscreteEnv):
     - 5: dropoff passenger
     
     Rewards: 
-    There is a reward of -1 for each action and an additional reward of +20 for delivering the passenger. There is a reward of -10 for executing actions "pickup" and "dropoff" illegally.
+    There is a default per-step reward of -1,
+    except for delivering the passenger, which is +20,
+    or executing "pickup" and "drop-off" actions illegally, which is -10.
     
 
     Rendering: