docs(elasticloadbalancingv2): fix typos (#32721)

### Issue # (if applicable)

N/A

### Reason for this change

Fixed typos in the README.md



### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: kdnakt

packages/aws-cdk-lib/aws-elasticloadbalancingv2/README.md

@@ -212,7 +212,7 @@ const lb = new elbv2.ApplicationLoadBalancer(this, 'LB', {
   // The idle timeout value, in seconds
   idleTimeout: Duration.seconds(1000),
 
-  // Whether HTTP headers with header fields thatare not valid
+  // Whether HTTP headers with header fields that are not valid
   // are removed by the load balancer (true), or routed to targets
   dropInvalidHeaderFields: true,
 
@@ -578,7 +578,7 @@ You can set cross-zone load balancing setting at the target group level by setti
 
 If not specified, it will use the load balancer's configuration.
 
-For more infomation, see [How Elastic Load Balancing works](https://docs.aws.amazon.com/elasticloadbalancing/latest/userguide/how-elastic-load-balancing-works.html).
+For more information, see [How Elastic Load Balancing works](https://docs.aws.amazon.com/elasticloadbalancing/latest/userguide/how-elastic-load-balancing-works.html).
 
 ```ts
 declare const vpc: ec2.Vpc;
@@ -809,7 +809,7 @@ Node.of(resource).addDependency(targetGroup.loadBalancerAttached);
 You may look up load balancers and load balancer listeners by using one of the
 following lookup methods:
 
-- `ApplicationLoadBalancer.fromlookup(options)` - Look up an application load
+- `ApplicationLoadBalancer.fromLookup(options)` - Look up an application load
   balancer.
 - `ApplicationListener.fromLookup(options)` - Look up an application load
   balancer listener.