chg: update function doc on return type

Author: tenfoldpaper

python/rcs/ompl/mj_ompl.py

@@ -423,7 +423,7 @@ def _plan_start_goal(self, start: np.ndarray, goal: np.ndarray, allowed_time = D
         
         Returns:
             res (bool): True if a solution was found, False otherwise.
-            sol_path_list (list): List of joint positions in the solution path, if found.
+            sol_path_list (list[np.ndarray]): List of joint positions in the solution path, if found.
         '''
         print("Planner params: \n", self.planner.params())