repair format problem in concat op

mindspore/dataset/engine/datasets.py

@@ -617,10 +617,10 @@ class Dataset:
 
         Args:
             datasets (list or class Dataset): A list of datasets or a single class Dataset
-                to be concated together with this dataset.
+                to be concatenated together with this dataset.
 
         Returns:
-            ConcatDataset, dataset concated.
+            ConcatDataset, dataset concatenated.
 
         Examples:
             >>> import mindspore.dataset as ds
@@ -1741,7 +1741,7 @@ class ConcatDataset(DatasetOp):
     The result of applying concat dataset operator to the input Dataset.
 
     Args:
-        datasets (list): A list of datasets to be concated together.
+        datasets (list): A list of datasets to be concatenated together.
 
     Raises:
         TypeError: If dataset is not an instance of Dataset.

mindspore/dataset/engine/validators.py

@@ -903,7 +903,7 @@ def check_zip_dataset(method):
 
 
 def check_concat(method):
-    """check the input arguments of concat_dataset method in `Dataset`."""
+    """check the input arguments of concat method in `Dataset`."""
 
     @wraps(method)
     def new_method(*args, **kwargs):