Fix typo

baselines/deepq/build_graph.py

@@ -98,7 +98,7 @@ def build_act(make_obs_ph, q_func, num_actions, scope="deepq", reuse=None):
     Returns
     -------
     act: (tf.Variable, bool, float) -> tf.Variable
-        function to select and action given obsercation.
+        function to select and action given observation.
 `       See the top of the file for details.
     """
     with tf.variable_scope(scope, reuse=reuse):
@@ -164,7 +164,7 @@ def build_train(make_obs_ph, q_func, num_actions, optimizer, grad_norm_clipping=
     Returns
     -------
     act: (tf.Variable, bool, float) -> tf.Variable
-        function to select and action given obsercation.
+        function to select and action given observation.
 `       See the top of the file for details.
     train: (object, np.array, np.array, object, np.array, np.array) -> np.array
         optimize the error in Bellman's equation.

baselines/deepq/simple.py

@@ -68,7 +68,7 @@ def load(path, num_cpu=16):
     Returns
     -------
     act: ActWrapper
-        function that takes a batch of obsercations
+        function that takes a batch of observations
         and returns actions.
     """
     return ActWrapper.load(path, num_cpu=num_cpu)