diff --git a/docs/misc/changelog.rst b/docs/misc/changelog.rst
index 9ae202b..b4355c7 100644
--- a/docs/misc/changelog.rst
+++ b/docs/misc/changelog.rst
@@ -4,7 +4,7 @@ Changelog
 ==========
 
 
-Release 1.7.0a2 (WIP)
+Release 1.7.0a3 (WIP)
 --------------------------
 
 Breaking Changes:
@@ -37,10 +37,13 @@ Others:
 ^^^^^^^
 - Used issue forms instead of issue templates
 - Fixed flake8 config to be compatible with flake8 6+
+- Goal-conditioned environments are now characterized by the availability of the ``compute_reward`` method, rather than by their inheritance to ``gym.GoalEnv``
+- Replaced ``CartPole-v0`` by ``CartPole-v1`` is tests
 
 Documentation:
 ^^^^^^^^^^^^^^
 - Updated Hugging Face Integration page (@simoninithomas)
+- Changed ``env`` to ``vec_env`` when environment is vectorized
 
 Release 1.6.2 (2022-10-10)
 --------------------------
diff --git a/docs/modules/dqn.rst b/docs/modules/dqn.rst
index ce43855..8648606 100644
--- a/docs/modules/dqn.rst
+++ b/docs/modules/dqn.rst
@@ -60,7 +60,7 @@ This example is only to demonstrate the use of the library and its functions, an
 
   from stable_baselines3 import DQN
 
-  env = gym.make("CartPole-v0")
+  env = gym.make("CartPole-v1")
 
   model = DQN("MlpPolicy", env, verbose=1)
   model.learn(total_timesteps=10000, log_interval=4)
diff --git a/stable_baselines3/version.txt b/stable_baselines3/version.txt
index b895285..08b6b37 100644
--- a/stable_baselines3/version.txt
+++ b/stable_baselines3/version.txt
@@ -1 +1 @@
-1.7.0a2
+1.7.0a3