diff --git a/applications/Chat/coati/kernels/opt_attn.py b/applications/Chat/coati/kernels/opt_attn.py
index c10f341e9..e99f9c224 100644
--- a/applications/Chat/coati/kernels/opt_attn.py
+++ b/applications/Chat/coati/kernels/opt_attn.py
@@ -77,7 +77,7 @@ class XOPTAttention(OPTAttention):
                                                       scale=self.scaling)
 
         # Use the `embed_dim` from the config (stored in the class) rather than `hidden_state` because `attn_output` can be
-        # partitioned aross GPUs when using tensor-parallelism.
+        # partitioned across GPUs when using tensor-parallelism.
         attn_output = attn_output.reshape(bsz, tgt_len, self.embed_dim)
 
         attn_output = self.out_proj(attn_output)
diff --git a/colossalai/communication/p2p.py b/colossalai/communication/p2p.py
index 0200cd3c6..1f20fca4f 100644
--- a/colossalai/communication/p2p.py
+++ b/colossalai/communication/p2p.py
@@ -217,7 +217,7 @@ def recv_backward(output_grad_shape,
         next_rank (int, optional): The rank of the source of the tensor.
 
     Returns:
-        Union[:class:`torch.Tensor`, List[:class:`torch.Tensor`]]: The input gradient tensor or gradident tensor list.
+        Union[:class:`torch.Tensor`, List[:class:`torch.Tensor`]]: The input gradient tensor or gradient tensor list.
     """
     if gpc.is_pipeline_last_stage():
         output_tensor_grad = None
diff --git a/colossalai/communication/p2p_v2.py b/colossalai/communication/p2p_v2.py
index 0dacd8c3c..090311cb3 100644
--- a/colossalai/communication/p2p_v2.py
+++ b/colossalai/communication/p2p_v2.py
@@ -19,7 +19,7 @@ _unpickler = pickle.Unpickler
 
 
 def init_process_group():
-    """intialise process group by dist.new_group in the adjacent stages
+    """initialise process group by dist.new_group in the adjacent stages
 
     Args:
         None
diff --git a/colossalai/context/process_group_initializer/initializer_sequence.py b/colossalai/context/process_group_initializer/initializer_sequence.py
index eaacb14d2..251a29407 100644
--- a/colossalai/context/process_group_initializer/initializer_sequence.py
+++ b/colossalai/context/process_group_initializer/initializer_sequence.py
@@ -91,11 +91,11 @@ class Initializer_Sequence(ProcessGroupInitializer):
 
         parallel_setting = []
 
-        local_rank, group_world_size, process_group, cpu_grop, ranks_in_group, mode = \
+        local_rank, group_world_size, process_group, cpu_group, ranks_in_group, mode = \
             self._sequence_initializer.init_dist_group()
         # change mode to sequence
         mode = ParallelMode.SEQUENCE
 
-        parallel_setting.append((local_rank, group_world_size, process_group, cpu_grop, ranks_in_group, mode))
+        parallel_setting.append((local_rank, group_world_size, process_group, cpu_group, ranks_in_group, mode))
         parallel_setting.append(self._sequence_dp_initializer.init_dist_group())
         return parallel_setting
diff --git a/examples/tutorial/new_api/cifar_resnet/train.py b/examples/tutorial/new_api/cifar_resnet/train.py
index a96a4b640..fe0dabf08 100644
--- a/examples/tutorial/new_api/cifar_resnet/train.py
+++ b/examples/tutorial/new_api/cifar_resnet/train.py
@@ -28,7 +28,7 @@ LEARNING_RATE = 1e-3
 
 
 def build_dataloader(batch_size: int, coordinator: DistCoordinator, plugin: DPPluginBase):
-    # trainsform
+    # transform
     transform_train = transforms.Compose(
         [transforms.Pad(4),
          transforms.RandomHorizontalFlip(),
diff --git a/examples/tutorial/new_api/cifar_vit/train.py b/examples/tutorial/new_api/cifar_vit/train.py
index 2405fdfc6..82a8f2ed9 100644
--- a/examples/tutorial/new_api/cifar_vit/train.py
+++ b/examples/tutorial/new_api/cifar_vit/train.py
@@ -25,7 +25,7 @@ from colossalai.utils import get_current_device
 # Prepare Hyperparameters
 # ==============================
 NUM_EPOCHS = 60
-WARMUP_EPOCSH = 5
+WARMUP_EPOCHS = 5
 LEARNING_RATE = 1e-3
 
 
@@ -37,7 +37,7 @@ def vit_cifar(**kwargs):
 
 
 def build_dataloader(batch_size: int, coordinator: DistCoordinator, plugin: DPPluginBase):
-    # trainsform
+    # transform
     transform_train = transforms.Compose([
         transforms.RandomCrop(32, padding=4),
         transforms.RandomHorizontalFlip(),
@@ -177,7 +177,7 @@ def main():
     optimizer = HybridAdam(model.parameters(), lr=LEARNING_RATE)
 
     # lr scheduler
-    lr_scheduler = LinearWarmupLR(optimizer, NUM_EPOCHS, WARMUP_EPOCSH)
+    lr_scheduler = LinearWarmupLR(optimizer, NUM_EPOCHS, WARMUP_EPOCHS)
 
     # ==============================
     # Boost with ColossalAI
diff --git a/op_builder/utils.py b/op_builder/utils.py
index 1b1bd5f49..2dbd976fb 100644
--- a/op_builder/utils.py
+++ b/op_builder/utils.py
@@ -36,7 +36,7 @@ def get_cuda_version_in_pytorch() -> List[int]:
         torch_cuda_minor = torch.version.cuda.split(".")[1]
     except:
         raise ValueError(
-            "[extension] Cannot retrive the CUDA version in the PyTorch binary given by torch.version.cuda")
+            "[extension] Cannot retrieve the CUDA version in the PyTorch binary given by torch.version.cuda")
     return torch_cuda_major, torch_cuda_minor
 
 
diff --git a/tests/components_to_test/albert.py b/tests/components_to_test/albert.py
index d5b6bc89a..52b2275ec 100644
--- a/tests/components_to_test/albert.py
+++ b/tests/components_to_test/albert.py
@@ -28,7 +28,7 @@ def get_training_components():
         print('building AlbertForSequenceClassification model')
 
         # adapting huggingface BertForSequenceClassification for single unitest calling interface
-        class ModelAaptor(AlbertForSequenceClassification):
+        class ModelAdaptor(AlbertForSequenceClassification):
 
             def forward(self, input_ids, labels):
                 """
@@ -37,23 +37,23 @@ def get_training_components():
                 """
                 return super().forward(input_ids=input_ids, labels=labels)[0]
 
-        model = ModelAaptor(config)
+        model = ModelAdaptor(config)
         # if checkpoint and version.parse(transformers.__version__) >= version.parse("4.11.0"):
         #     model.gradient_checkpointing_enable()
 
         return model
 
-    is_distrbuted = torch.distributed.is_initialized()
+    is_distributed = torch.distributed.is_initialized()
     trainloader = get_bert_data_loader(n_class=vocab_size,
                                        batch_size=2,
                                        total_samples=10000,
                                        sequence_length=sequence_length,
-                                       is_distrbuted=is_distrbuted)
+                                       is_distributed=is_distributed)
     testloader = get_bert_data_loader(n_class=vocab_size,
                                       batch_size=2,
                                       total_samples=10000,
                                       sequence_length=sequence_length,
-                                      is_distrbuted=is_distrbuted)
+                                      is_distributed=is_distributed)
 
     criterion = None
     return bert_model_builder, trainloader, testloader, torch.optim.Adam, criterion
diff --git a/tests/components_to_test/beit.py b/tests/components_to_test/beit.py
index 1252071f4..2021ae6f6 100644
--- a/tests/components_to_test/beit.py
+++ b/tests/components_to_test/beit.py
@@ -27,7 +27,7 @@ class DummyDataLoader(DummyDataGenerator):
 @non_distributed_component_funcs.register(name='beit')
 def get_training_components():
 
-    def model_buider(checkpoint=False):
+    def model_builder(checkpoint=False):
         model = Beit(img_size=DummyDataLoader.img_size,
                      num_classes=DummyDataLoader.num_class,
                      embed_dim=32,
@@ -39,4 +39,4 @@ def get_training_components():
     testloader = DummyDataLoader()
 
     criterion = torch.nn.CrossEntropyLoss()
-    return model_buider, trainloader, testloader, torch.optim.Adam, criterion
+    return model_builder, trainloader, testloader, torch.optim.Adam, criterion
diff --git a/tests/components_to_test/bert.py b/tests/components_to_test/bert.py
index c1faa6f9d..e7d1d5080 100644
--- a/tests/components_to_test/bert.py
+++ b/tests/components_to_test/bert.py
@@ -13,7 +13,7 @@ def get_bert_data_loader(
         total_samples,
         sequence_length,
         device=torch.device('cpu:0'),
-        is_distrbuted=False,
+        is_distributed=False,
 ):
     train_data = torch.randint(
         low=0,
@@ -24,7 +24,7 @@ def get_bert_data_loader(
     )
     train_label = torch.randint(low=0, high=2, size=(total_samples,), device=device, dtype=torch.long)
     train_dataset = torch.utils.data.TensorDataset(train_data, train_label)
-    if is_distrbuted:
+    if is_distributed:
         sampler = torch.utils.data.distributed.DistributedSampler(train_dataset)
     else:
         sampler = SequentialSampler(train_dataset)
@@ -52,8 +52,8 @@ def get_training_components():
                             attention_probs_dropout_prob=0.)
         print('building BertForSequenceClassification model')
 
-        # adapting huggingface BertForSequenceClassification for single unitest calling interface
-        class ModelAaptor(BertForSequenceClassification):
+        # adapting huggingface BertForSequenceClassification for single unittest calling interface
+        class ModelAdaptor(BertForSequenceClassification):
 
             def forward(self, input_ids, labels):
                 """
@@ -62,23 +62,23 @@ def get_training_components():
                 """
                 return super().forward(input_ids=input_ids, labels=labels)[0]
 
-        model = ModelAaptor(config)
+        model = ModelAdaptor(config)
         if checkpoint and version.parse(transformers.__version__) >= version.parse("4.11.0"):
             model.gradient_checkpointing_enable()
 
         return model
 
-    is_distrbuted = torch.distributed.is_initialized()
+    is_distributed = torch.distributed.is_initialized()
     trainloader = get_bert_data_loader(n_class=vocab_size,
                                        batch_size=2,
                                        total_samples=10000,
                                        sequence_length=sequence_length,
-                                       is_distrbuted=is_distrbuted)
+                                       is_distributed=is_distributed)
     testloader = get_bert_data_loader(n_class=vocab_size,
                                       batch_size=2,
                                       total_samples=10000,
                                       sequence_length=sequence_length,
-                                      is_distrbuted=is_distrbuted)
+                                      is_distributed=is_distributed)
 
     criterion = None
     return bert_model_builder, trainloader, testloader, torch.optim.Adam, criterion
diff --git a/tests/components_to_test/registry.py b/tests/components_to_test/registry.py
index 728ed9eba..edfcaaa72 100644
--- a/tests/components_to_test/registry.py
+++ b/tests/components_to_test/registry.py
@@ -9,10 +9,10 @@ class Registry:
     def register(self, name):
         assert name not in self._registry
 
-        def _regsiter(callable_):
+        def _register(callable_):
             self._registry[name] = callable_
 
-        return _regsiter
+        return _register
 
     def get_callable(self, name: str):
         return self._registry[name]
@@ -34,6 +34,6 @@ class Registry:
 
 
 non_distributed_component_funcs = Registry()
-model_paralle_component_funcs = Registry()
+model_parallel_component_funcs = Registry()
 
-__all__ = ['non_distributed_component_funcs', 'model_paralle_component_funcs']
+__all__ = ['non_distributed_component_funcs', 'model_parallel_component_funcs']
diff --git a/tests/test_utils/test_activation_checkpointing.py b/tests/test_utils/test_activation_checkpointing.py
index 59a8acd4b..2930552cc 100644
--- a/tests/test_utils/test_activation_checkpointing.py
+++ b/tests/test_utils/test_activation_checkpointing.py
@@ -51,7 +51,7 @@ def test_activation_checkpointing(cpu_offload, use_reentrant):
     # other tests might affect this test
     reset_seeds()
 
-    # We put initilization here to avoid change cuda rng state below
+    # We put initialization here to avoid change cuda rng state below
     inputs = torch.rand(2, 2, requires_grad=True, device='cuda')
     weight = torch.rand(2, 4, requires_grad=True, device='cuda')
 
diff --git a/tests/test_utils/test_checkpoint_io/test_load.py b/tests/test_utils/test_checkpoint_io/test_load.py
index b1a741515..2949c9f07 100644
--- a/tests/test_utils/test_checkpoint_io/test_load.py
+++ b/tests/test_utils/test_checkpoint_io/test_load.py
@@ -23,7 +23,7 @@ def check_model_state_dict(a: Dict[str, Tensor], b: Dict[str, Tensor]) -> None:
         assert torch.equal(v, b[k])
 
 
-def check_optim_state_dict(a: dict, b: dict, ignore_param_gruops: bool = False) -> None:
+def check_optim_state_dict(a: dict, b: dict, ignore_param_groups: bool = False) -> None:
     assert set(a['state'].keys()) == set(b['state'].keys())
     for k, state in a['state'].items():
         b_state = b['state'][k]
@@ -32,7 +32,7 @@ def check_optim_state_dict(a: dict, b: dict, ignore_param_gruops: bool = False)
                 assert torch.equal(v1, v2)
             else:
                 assert v1 == v2
-    if not ignore_param_gruops:
+    if not ignore_param_groups:
         assert a['param_groups'] == b['param_groups']
 
 
@@ -129,23 +129,23 @@ def launch_dist(fn, world_size: int):
 
 
 def save_dist(dir_name: str, zero: bool):
-    model, optmizer = prepare_model_optim(shard=True, zero=zero)
-    reset_model_optim(model, optmizer)
+    model, optimizer = prepare_model_optim(shard=True, zero=zero)
+    reset_model_optim(model, optimizer)
     world_size = dist.get_world_size()
     rank = dist.get_rank()
-    save(dir_name, model, optmizer, dist_meta=get_dist_metas(world_size, zero)[rank])
+    save(dir_name, model, optimizer, dist_meta=get_dist_metas(world_size, zero)[rank])
 
 
 def load_and_check_dist(dir_name: str):
     world_size = dist.get_world_size()
-    model, optmizer = prepare_model_optim(shard=True)
-    reset_model_optim(model, optmizer)
+    model, optimizer = prepare_model_optim(shard=True)
+    reset_model_optim(model, optimizer)
     model_state_dict = deepcopy(model.state_dict())
-    optimizer_state_dict = deepcopy(optmizer.state_dict())
-    reset_model_optim(model, optmizer, 1)
-    load(dir_name, model, optmizer, get_redist_meta(world_size), get_dist_metas(world_size))
+    optimizer_state_dict = deepcopy(optimizer.state_dict())
+    reset_model_optim(model, optimizer, 1)
+    load(dir_name, model, optimizer, get_redist_meta(world_size), get_dist_metas(world_size))
     check_model_state_dict(model_state_dict, model.state_dict())
-    check_optim_state_dict(optimizer_state_dict, optmizer.state_dict())
+    check_optim_state_dict(optimizer_state_dict, optimizer.state_dict())
 
 
 @pytest.mark.dist
diff --git a/tests/test_utils/test_checkpoint_io/test_merge.py b/tests/test_utils/test_checkpoint_io/test_merge.py
index 255c74adf..07d4597f8 100644
--- a/tests/test_utils/test_checkpoint_io/test_merge.py
+++ b/tests/test_utils/test_checkpoint_io/test_merge.py
@@ -68,7 +68,7 @@ def run_dist(rank, world_size, port, test_fn):
 
 
 def run_save_dist(dir_name: str, zero: bool):
-    model, optmizer = prepare_model_optim(shard=True, zero=zero)
+    model, optimizer = prepare_model_optim(shard=True, zero=zero)
     rank = dist.get_rank()
     dp_world_size = dist.get_world_size() // 2
     if not zero:
@@ -90,7 +90,7 @@ def run_save_dist(dir_name: str, zero: bool):
             'fc.bias':
                 ParamDistMeta(rank // 2, dp_world_size, 0, 1, zero_numel=1, zero_orig_shape=[1])
         }
-    save(dir_name, model, optmizer, dist_meta=dist_metas)
+    save(dir_name, model, optimizer, dist_meta=dist_metas)
 
 
 @pytest.mark.dist
diff --git a/tests/test_utils/test_checkpoint_io/test_redist.py b/tests/test_utils/test_checkpoint_io/test_redist.py
index 144715bdf..fdc849a5e 100644
--- a/tests/test_utils/test_checkpoint_io/test_redist.py
+++ b/tests/test_utils/test_checkpoint_io/test_redist.py
@@ -125,9 +125,9 @@ def run_dist(rank, world_size, port, test_fn):
 
 
 def run_save_dist(dir_name: str, zero: bool):
-    model, optmizer = prepare_model_optim(shard=True, zero=zero)
+    model, optimizer = prepare_model_optim(shard=True, zero=zero)
     rank = dist.get_rank()
-    save(dir_name, model, optmizer, dist_meta=get_dist_metas(4, zero)[rank])
+    save(dir_name, model, optimizer, dist_meta=get_dist_metas(4, zero)[rank])
 
 
 @pytest.mark.dist
diff --git a/tests/test_utils/test_checkpoint_io/test_save.py b/tests/test_utils/test_checkpoint_io/test_save.py
index e35e566f6..2abdd95a6 100644
--- a/tests/test_utils/test_checkpoint_io/test_save.py
+++ b/tests/test_utils/test_checkpoint_io/test_save.py
@@ -28,7 +28,7 @@ def check_model_state_dict(a: Dict[str, Tensor], b: Dict[str, Tensor]) -> None:
         assert torch.equal(v, b[k])
 
 
-def check_optim_state_dict(a: dict, b: dict, ignore_param_gruops: bool = False) -> None:
+def check_optim_state_dict(a: dict, b: dict, ignore_param_groups: bool = False) -> None:
     assert set(a['state'].keys()) == set(b['state'].keys())
     for k, state in a['state'].items():
         b_state = b['state'][k]
@@ -37,7 +37,7 @@ def check_optim_state_dict(a: dict, b: dict, ignore_param_gruops: bool = False)
                 assert torch.equal(v1, v2)
             else:
                 assert v1 == v2
-    if not ignore_param_gruops:
+    if not ignore_param_groups:
         assert a['param_groups'] == b['param_groups']
 
 
@@ -113,12 +113,12 @@ def run_dist(rank, world_size, port, test_fn):
 
 
 def run_save_dist(dir_name):
-    model, optmizer = prepare_model_optim()
+    model, optimizer = prepare_model_optim()
     dist_metas = {
         'fc.weight': ParamDistMeta(dist.get_rank(), dist.get_world_size(), 0, 1),
         'fc.bias': ParamDistMeta(dist.get_rank(), dist.get_world_size(), 0, 1)
     }
-    save(dir_name, model, optmizer, dist_meta=dist_metas)
+    save(dir_name, model, optimizer, dist_meta=dist_metas)
 
 
 @pytest.mark.dist
diff --git a/tests/test_utils/test_lazy_init/utils.py b/tests/test_utils/test_lazy_init/utils.py
index a8aeb4c89..0b5f15ca5 100644
--- a/tests/test_utils/test_lazy_init/utils.py
+++ b/tests/test_utils/test_lazy_init/utils.py
@@ -18,7 +18,7 @@ def set_seed(seed: int) -> None:
     torch.manual_seed(seed)
 
 
-def assert_model_eqaual(m1: torch.nn.Module, m2: torch.nn.Module) -> None:
+def assert_model_equal(m1: torch.nn.Module, m2: torch.nn.Module) -> None:
     s1 = m1.state_dict()
     s2 = m2.state_dict()
 
@@ -63,7 +63,7 @@ def check_lazy_init(entry: TestingEntry, seed: int = 42, verbose: bool = False,
     with ctx:
         deferred_model = model_fn()
     deferred_model = ctx.materialize(deferred_model, verbose=verbose)
-    assert_model_eqaual(model, deferred_model)
+    assert_model_equal(model, deferred_model)
     if check_forward:
         assert_forward_equal(model, deferred_model, data_gen_fn, output_transform_fn)
     if verbose: