Couple edits

Author: estrattonbailey

blog/2025-02-14-typescript-sdk-release.md

@@ -11,7 +11,6 @@ This release is a big step forward, significantly improving the type safety of o
 - Lexicon derived interfaces now have an explicitly defined `$type` property, allowing to properly discriminate unions.
 - Lexicon derived `is*` utility methods no longer unsafely type cast their input.
 - Lexicon derived `validate*` utility methods now return a more precise type.
-- New Lexicon derived `isValid*` utility methods are now available.
 
 ## Context
 
@@ -148,7 +147,7 @@ export interface Main {
 }
 ```
 
-Notice how the `$type` property is defined as optional (`?:`) here. This is due to the fact that lexicons can define schemas that can be referenced from other places than open unions. In those places, there might not be any ambiguity as to how the data should be interpreted. For example, an embed that represents a "Record With Media" has a `record` property that expects an `app.bsky.embed.record` object:
+Notice how the `$type` property is defined as optional (`?:`) here. This is due to the fact that lexicons can define schemas that can be referenced in places other than open unions. In those places, there might not be any ambiguity as to how the data should be interpreted. For example, an embed that represents a "Record With Media" has a `record` property that expects an `app.bsky.embed.record` object:
 
 ```typescript
 export interface Main {
@@ -278,7 +277,7 @@ In many cases where data needs to be discriminated, this change in the signature
 
 :::
 
-For example, this is the case when working with data obtained from the API. Because an API is a "contract" between a server and a client, the data returned by the server is "guaranteed" to be valid. In these cases, the `is*` utility methods provide a convenient way to discriminate between valid values.
+For example, this is the case when working with data obtained from the API. Because an API is a "contract" between a server and a client, **the data returned by Bluesky's server APIs is "guaranteed" to be valid.** In these cases, the `is*` utility methods provide a convenient way to discriminate between valid values.
 
 ```typescript
 import { AppBskyEmbedImages } from '@atproto/api'