diff --git a/plugins/modules/rds_instance.py b/plugins/modules/rds_instance.py
index 083042d7d91..f5e3aca4bbc 100644
--- a/plugins/modules/rds_instance.py
+++ b/plugins/modules/rds_instance.py
@@ -14,9 +14,9 @@
 description:
     - Create, modify, and delete RDS instances.
 extends_documentation_fragment:
-- amazon.aws.aws
-- amazon.aws.ec2
-
+    - amazon.aws.aws
+    - amazon.aws.ec2
+    - amazon.aws.tags
 author:
     - Sloane Hertel (@s-hertel)
 
@@ -46,10 +46,6 @@
         description: Set to False to retain any enabled cloudwatch logs that aren't specified in the task and are associated with the instance.
         type: bool
         default: True
-    purge_tags:
-        description: Set to False to retain any tags that aren't specified in task and are associated with the instance.
-        type: bool
-        default: True
     read_replica:
         description:
           - Set to C(False) to promote a read replica instance or true to create one. When creating a read replica C(creation_source) should
@@ -407,10 +403,6 @@
           - gp2
           - io1
         type: str
-    tags:
-        description:
-          - A dictionary of key value pairs to assign the DB instance.
-        type: dict
     tde_credential_arn:
         description:
           - The ARN from the key store with which to associate the instance for Transparent Data Encryption. This is
@@ -1321,7 +1313,7 @@ def main():
         source_region=dict(),
         storage_encrypted=dict(type='bool'),
         storage_type=dict(choices=['standard', 'gp2', 'io1']),
-        tags=dict(type='dict'),
+        tags=dict(type='dict', aliases=['resource_tags']),
         tde_credential_arn=dict(aliases=['transparent_data_encryption_arn']),
         tde_credential_password=dict(no_log=True, aliases=['transparent_data_encryption_password']),
         timezone=dict(),