fix(docs): typo in a service name in Event Handler (aws-powertools#5944)

Author: anafalcao

docs/core/event_handler/api_gateway.md

@@ -3,11 +3,11 @@ title: REST API
 description: Core utility
 ---
 
-Event handler for Amazon API Gateway REST and HTTP APIs, Application Loader Balancer (ALB), Lambda Function URLs, and VPC Lattice.
+Event handler for Amazon API Gateway REST and HTTP APIs, Application Load Balancer (ALB), Lambda Function URLs, and VPC Lattice.
 
 ## Key Features
 
-* Lightweight routing to reduce boilerplate for API Gateway REST/HTTP API, ALB and Lambda Function URLs.
+* Lightweight routing to reduce boilerplate for API Gateway REST/HTTP API, ALB and Lambda Function URLs
 * Support for CORS, binary and Gzip compression, Decimals JSON encoding and bring your own JSON serializer
 * Built-in integration with [Event Source Data Classes utilities](../../utilities/data_classes.md){target="_blank"} for self-documented event schema
 * Works with micro function (one or a few routes) and monolithic functions (all routes)