fixes broken links in Amazon module docs (#39248)

lib/ansible/modules/cloud/amazon/_ec2_vpc.py

@@ -22,7 +22,7 @@ deprecated:
   removed_in: "2.5"
   why: Replaced by dedicated modules.
   alternative: Use M(ec2_vpc_net) along with supporting modules including M(ec2_vpc_igw), M(ec2_vpc_route_table), M(ec2_vpc_subnet),
-               M(ec2_vpc_dhcp_options), M(ec2_vpc_nat_gateway), M(ec2_vpc_nacl).
+               M(ec2_vpc_dhcp_option), M(ec2_vpc_nat_gateway), M(ec2_vpc_nacl).
 options:
   cidr_block:
     description:

lib/ansible/modules/cloud/amazon/aws_s3.py

@@ -28,7 +28,7 @@ description:
       deleting both objects and buckets, retrieving objects as files or strings and generating download links.
       This module has a dependency on boto3 and botocore.
 notes:
-   - In 2.4, this module has been renamed from M(s3) into M(aws_s3).
+   - In 2.4, this module has been renamed from C(s3) into M(aws_s3).
 version_added: "1.1"
 options:
   aws_access_key: