diff --git a/basicsr/archs/basicvsrpp_arch.py b/basicsr/archs/basicvsrpp_arch.py
index 2a9952e4b..d04a14e68 100644
--- a/basicsr/archs/basicvsrpp_arch.py
+++ b/basicsr/archs/basicvsrpp_arch.py
@@ -160,7 +160,7 @@ def propagate(self, feats, flows, module_name):
             feats dict(list[tensor]): Features from previous branches. Each
                 component is a list of tensors with shape (n, c, h, w).
             flows (tensor): Optical flows with shape (n, t - 1, 2, h, w).
-            module_name (str): The name of the propgation branches. Can either
+            module_name (str): The name of the propagation branches. Can either
                 be 'backward_1', 'forward_1', 'backward_2', 'forward_2'.
 
         Return:
@@ -322,7 +322,7 @@ def forward(self, lqs):
             f'but got {h} and {w}.')
         flows_forward, flows_backward = self.compute_flow(lqs_downsample)
 
-        # feature propgation
+        # feature propagation
         for iter_ in [1, 2]:
             for direction in ['backward', 'forward']:
                 module = f'{direction}_{iter_}'
diff --git a/basicsr/ops/upfirdn2d/upfirdn2d.py b/basicsr/ops/upfirdn2d/upfirdn2d.py
index d6122d59a..ed153e478 100644
--- a/basicsr/ops/upfirdn2d/upfirdn2d.py
+++ b/basicsr/ops/upfirdn2d/upfirdn2d.py
@@ -171,7 +171,12 @@ def upfirdn2d_native(input, kernel, up_x, up_y, down_x, down_y, pad_x0, pad_x1,
     out = out.view(-1, in_h * up_y, in_w * up_x, minor)
 
     out = F.pad(out, [0, 0, max(pad_x0, 0), max(pad_x1, 0), max(pad_y0, 0), max(pad_y1, 0)])
-    out = out[:, max(-pad_y0, 0):out.shape[1] - max(-pad_y1, 0), max(-pad_x0, 0):out.shape[2] - max(-pad_x1, 0), :, ]
+    out = out[
+        :,
+        max(-pad_y0, 0):out.shape[1] - max(-pad_y1, 0),
+        max(-pad_x0, 0):out.shape[2] - max(-pad_x1, 0),
+        :,
+    ]
 
     out = out.permute(0, 3, 1, 2)
     out = out.reshape([-1, 1, in_h * up_y + pad_y0 + pad_y1, in_w * up_x + pad_x0 + pad_x1])
diff --git a/basicsr/test.py b/basicsr/test.py
index 53cb3b7aa..5107385f3 100644
--- a/basicsr/test.py
+++ b/basicsr/test.py
@@ -9,7 +9,7 @@
 
 
 def test_pipeline(root_path):
-    # parse options, set distributed setting, set ramdom seed
+    # parse options, set distributed setting, set random seed
     opt, _ = parse_options(root_path, is_train=False)
 
     torch.backends.cudnn.benchmark = True
diff --git a/scripts/data_preparation/prepare_hifacegan_dataset.py b/scripts/data_preparation/prepare_hifacegan_dataset.py
index cab2afad5..e2d9c556f 100644
--- a/scripts/data_preparation/prepare_hifacegan_dataset.py
+++ b/scripts/data_preparation/prepare_hifacegan_dataset.py
@@ -107,7 +107,7 @@ def create_training_dataset(self, deg, gt_folder, lq_folder=None):
 
 
 if __name__ == '__main__':
-    simuator = DegradationSimulator()
+    simulator = DegradationSimulator()
     gt_folder = 'datasets/FFHQ_512_gt'
     deg = 'sr4x'
-    simuator.create_training_dataset(deg, gt_folder)
+    simulator.create_training_dataset(deg, gt_folder)