diff --git a/fancy_gym/envs/__init__.py b/fancy_gym/envs/__init__.py
index a774d5d..38b5d34 100644
--- a/fancy_gym/envs/__init__.py
+++ b/fancy_gym/envs/__init__.py
@@ -316,18 +316,18 @@ register(
 )
 
 register(
-    id='fancy/TableTennisMarkovian-v0',
+    id='fancy/TableTennisMarkov-v0',
     mp_wrapper=MPWrapper_TableTennis,
-    entry_point='fancy_gym.envs.mujoco:TableTennisMarkovian',
+    entry_point='fancy_gym.envs.mujoco:TableTennisMarkov',
     max_episode_steps=MAX_EPISODE_STEPS_TABLE_TENNIS_MARKOV_VER,
     kwargs={
     }
 )
 
 register(
-    id='fancy/TableTennisRndRobotMarkovian-v0',
+    id='fancy/TableTennisRndRobotMarkov-v0',
     mp_wrapper=MPWrapper_TableTennis_Rnd,
-    entry_point='fancy_gym.envs.mujoco:TableTennisMarkovian',
+    entry_point='fancy_gym.envs.mujoco:TableTennisMarkov',
     max_episode_steps=MAX_EPISODE_STEPS_TABLE_TENNIS_MARKOV_VER,
     kwargs={
         'random_pos_scale': 0.1,
diff --git a/fancy_gym/envs/mujoco/table_tennis/table_tennis_env.py b/fancy_gym/envs/mujoco/table_tennis/table_tennis_env.py
index 8155175..e6a14f8 100644
--- a/fancy_gym/envs/mujoco/table_tennis/table_tennis_env.py
+++ b/fancy_gym/envs/mujoco/table_tennis/table_tennis_env.py
@@ -299,7 +299,7 @@ class TableTennisEnv(MujocoEnv, utils.EzPickle):
             return False, pos_traj, vel_traj
         return True, pos_traj, vel_traj
 
-class TableTennisMarkovian(TableTennisEnv):
+class TableTennisMarkov(TableTennisEnv):
     def _get_reward2(self, hit_now, land_now):
 
         # Phase 1 not hit ball