Replace "nature" with "Nature" (magazine) to reduce confusion (#965)

* Replace "nature" with "Nature" (magazine) to reduce confusion

* Replace "nature" with "Nature" (magazine) to reduce confusion

* Update changelog

Co-authored-by: mel <callmesolis@gmail.com>

docs/guide/migration.rst

@@ -141,7 +141,7 @@ DQN
 ^^^
 
 Only the vanilla DQN is implemented right now but extensions will follow.
-Default hyperparameters are taken from the nature paper, except for the optimizer and learning rate that were taken from Stable Baselines defaults.
+Default hyperparameters are taken from the Nature paper, except for the optimizer and learning rate that were taken from Stable Baselines defaults.
 
 DDPG
 ^^^^

docs/misc/changelog.rst

@@ -3,6 +3,31 @@
 Changelog
 ==========
 
+Release 1.6.1a0 (WIP)
+---------------------------
+
+Breaking Changes:
+^^^^^^^^^^^^^^^^^
+
+New Features:
+^^^^^^^^^^^^^
+
+SB3-Contrib
+^^^^^^^^^^^
+
+Bug Fixes:
+^^^^^^^^^^
+
+Deprecations:
+^^^^^^^^^^^^^
+
+Others:
+^^^^^^^
+
+Documentation:
+^^^^^^^^^^^^^^
+- Fix typo in docstring "nature" -> "Nature" (@Melanol)
+
 
 Release 1.6.0 (2022-07-11)
 ---------------------------
@@ -986,3 +1011,4 @@ And all the contributors:
 @eleurent @ac-93 @cove9988 @theDebugger811 @hsuehch @Demetrio92 @thomasgubler @IperGiove @ScheiklP
 @simoninithomas @armandpl @manuel-delverme @Gautam-J @gianlucadecola @buoyancy99 @caburu @xy9485
 @Gregwar @ycheng517 @quantitative-technologies @bcollazo @git-thor @TibiGG @cool-RR @MWeltevrede
+@Melanol

stable_baselines3/common/torch_layers.py

@@ -50,7 +50,7 @@ class FlattenExtractor(BaseFeaturesExtractor):
 
 class NatureCNN(BaseFeaturesExtractor):
     """
-    CNN from DQN nature paper:
+    CNN from DQN Nature paper:
         Mnih, Volodymyr, et al.
         "Human-level control through deep reinforcement learning."
         Nature 518.7540 (2015): 529-533.

stable_baselines3/dqn/dqn.py

@@ -20,7 +20,7 @@ class DQN(OffPolicyAlgorithm):
     Deep Q-Network (DQN)
 
     Paper: https://arxiv.org/abs/1312.5602, https://www.nature.com/articles/nature14236
-    Default hyperparameters are taken from the nature paper,
+    Default hyperparameters are taken from the Nature paper,
     except for the optimizer and learning rate that were taken from Stable Baselines defaults.
 
     :param policy: The policy model to use (MlpPolicy, CnnPolicy, ...)

stable_baselines3/version.txt

@@ -1 +1 @@
-1.6.0
+1.6.1a0