quick fix

README.md

@@ -16,6 +16,7 @@ from DecMCTS import Tree
 
 # data can be anything required to calculate your
 # global reward and available actions
+# It can be in any format (only used by your reward and avail_actions functions)
 data = {}
 
 # Create an available actions function
@@ -31,7 +32,7 @@ def avail_actions(data, state):
 # actions taken by the current robot, and every other robot
 # State is a dictionary with keys being robot IDs, and values
 # are a list of actions taken from the starting position
-def reward(dat, state):
+def reward(data, state):
     each_robot_sum = [sum(state[a]) for a in state]
     return sum(each_robot_sum)