From cfca59025b7d20ba2c3ad7f46d36730fc0bf62f7 Mon Sep 17 00:00:00 2001
From: MLErik <baerenjesus@gmail.com>
Date: Thu, 3 Oct 2019 16:13:39 -0400
Subject: [PATCH] minor documentation update

---
 flatland/envs/grid4_generators_utils.py | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/flatland/envs/grid4_generators_utils.py b/flatland/envs/grid4_generators_utils.py
index bc43f90e..a83dbdd1 100644
--- a/flatland/envs/grid4_generators_utils.py
+++ b/flatland/envs/grid4_generators_utils.py
@@ -21,16 +21,16 @@ def connect_rail(rail_trans: RailEnvTransitions, grid_map: GridTransitionMap, st
     """
         Creates a new path [start,end] in `grid_map.grid`, based on rail_trans, and
     returns the path created as a list of positions.
-    :param rail_trans:
-    :param grid_map:
-    :param start:
-    :param end:
-    :param flip_start_node_trans:
-    :param flip_end_node_trans:
-    :param respect_transition_validity:
-    :param a_star_distance_function:
-    :param forbidden_cells:
-    :return:
+    :param rail_trans: basic rail transition object
+    :param grid_map: grid map
+    :param start: start position of rail
+    :param end: end position of rail
+    :param flip_start_node_trans: make valid start position by adding dead-end, empty start if False
+    :param flip_end_node_trans: make valid end position by adding dead-end, empty end if False
+    :param respect_transition_validity: Only draw rail maps if legal rail elements can be use, False, draw line without respecting rail transitions.
+    :param a_star_distance_function: Define what distance function a-star should use
+    :param forbidden_cells: cells to avoid when drawing rail. Rail cannot go through this list of cells
+    :return: List of cells in the path
     """
 
     # in the worst case we will need to do a A* search, so we might as well set that up
-- 
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