docs: Tweak notifications docs

Author: doshitan

docs/infra/notifications.md

@@ -56,7 +56,7 @@ aws sesv2 send-email \
           "Charset": "UTF-8"
         },
         "Html": {
-          "Data": "This is a message from the future",
+          "Data": "<p>This is a message from the future</p>",
           "Charset": "UTF-8"
         }
       }

docs/system-architecture.md

@@ -18,7 +18,7 @@ This diagram shows the system architecture. [🔒 Make a copy of this Lucid temp
 * **NAT Gateway** — Enables outbound internet access for resources in private subnets.
 * **Secrets Manager** — Securely stores and retrieves sensitive information such as database credentials.
 * **Service** — Amazon ECS service running the application.
-* **SES** — Amazon SES (Simple Email Service) used for sending email notifications.
+* **SES** — Amazon Simple Email Service (SES) used for sending email notifications.
 * **Terraform Backend Bucket** — Amazon S3 bucket used to store terraform state files.
 * **Terraform State Locks DynamoDB Table** — Amazon DynamoDB table used to manage concurrent access to terraform state files.
 * **VPC Endpoints** — VPC endpoints are used by the Database Role Manager to access Amazon Services without traffic leaving the VPC.