diff --git a/airflow/providers/amazon/aws/notifications/chime.py b/airflow/providers/amazon/aws/notifications/chime.py
index 801666f7729ad..7a8509541f212 100644
--- a/airflow/providers/amazon/aws/notifications/chime.py
+++ b/airflow/providers/amazon/aws/notifications/chime.py
@@ -38,9 +38,9 @@ class ChimeNotifier(BaseNotifier):
     """
     Chime notifier to send messages to a chime room via callbacks.
 
-    :param: chime_conn_id: The chime connection to use with Endpoint as "https://hooks.chime.aws" and
-                           the webhook token in the form of ```{webhook.id}?token{webhook.token}```
-    :param: message: The message to send to the chime room associated with the webhook.
+    :param chime_conn_id: The chime connection to use with Endpoint as "https://hooks.chime.aws" and
+        the webhook token in the form of ```{webhook.id}?token{webhook.token}```
+    :param message: The message to send to the chime room associated with the webhook.
 
     """
 
diff --git a/airflow/providers/amazon/aws/operators/emr.py b/airflow/providers/amazon/aws/operators/emr.py
index d17e77c3498a6..ea1ec0496a002 100644
--- a/airflow/providers/amazon/aws/operators/emr.py
+++ b/airflow/providers/amazon/aws/operators/emr.py
@@ -205,9 +205,9 @@ class EmrStartNotebookExecutionOperator(BaseOperator):
     :param notebook_execution_name: Optional name for the notebook execution.
     :param notebook_params: Input parameters in JSON format passed to the EMR notebook at
         runtime for execution.
-    :param: notebook_instance_security_group_id: The unique identifier of the Amazon EC2
+    :param notebook_instance_security_group_id: The unique identifier of the Amazon EC2
         security group to associate with the EMR notebook for this notebook execution.
-    :param: master_instance_security_group_id: Optional unique ID of an EC2 security
+    :param master_instance_security_group_id: Optional unique ID of an EC2 security
         group to associate with the master instance of the EMR cluster for this notebook execution.
     :param tags: Optional list of key value pair to associate with the notebook execution.
     :param waiter_max_attempts: Maximum number of tries before failing.