fix typo

Author: mchoi8739

src/sagemaker/estimator.py

@@ -419,7 +419,7 @@ def __init__(
 
                     You must not include any security sensitive information, such as
                     account access IDs, secrets, and tokens, in the dictionary for configuring
-                    hyperparameters. &SM; rejects the training job request and returns an
+                    hyperparameters. SageMaker rejects the training job request and returns an
                     exception error for detected credentials, if such user input is found.
 
             container_log_level (int): The log level to use within the container
@@ -2352,7 +2352,7 @@ def __init__(
 
                     You must not include any security sensitive information, such as
                     account access IDs, secrets, and tokens, in the dictionary for configuring
-                    hyperparameters. &SM; rejects the training job request and returns an
+                    hyperparameters. SageMaker rejects the training job request and returns an
                     exception error for detected credentials, if such user input is found.
 
             tags (list[dict]): List of tags for labeling a training job. For
@@ -2814,7 +2814,7 @@ def __init__(
 
                     You must not include any security sensitive information, such as
                     account access IDs, secrets, and tokens, in the dictionary for configuring
-                    hyperparameters. &SM; rejects the training job request and returns an
+                    hyperparameters. SageMaker rejects the training job request and returns an
                     exception error for detected credentials, if such user input is found.
 
             container_log_level (int): Log level to use within the container