Merge branch 'master' into patch-1

Author: B4nan

content/fundamentals/provider-scopes.md

@@ -80,6 +80,8 @@ Transient-scoped dependencies don't follow that pattern. If a singleton-scoped `
 
 In an HTTP server-based application (e.g., using `@nestjs/platform-express` or `@nestjs/platform-fastify`), you may want to access a reference to the original request object when using request-scoped providers. You can do this by injecting the `REQUEST` object.
 
+The `REQUEST` provider is request-scoped, so you don't need to explicitly use the `REQUEST` scope in this case.
+
 ```typescript
 import { Injectable, Scope, Inject } from '@nestjs/common';
 import { REQUEST } from '@nestjs/core';

content/microservices/kafka.md

@@ -228,7 +228,7 @@ export class HeroesController {
 }
 ```
 
-> info **Hint** `@Payload()` is imported from the `@nestjs/microservices`.
+> info **Hint** `@Payload()` is imported from the `@nestjs/microservices` package.
 
 Outgoing messages can also be keyed by passing an object with the `key` and `value` properties. Keying messages is important for meeting the [co-partitioning requirement](https://docs.confluent.io/current/ksql/docs/developer-guide/partition-data.html#co-partitioning-requirements).
 

content/techniques/file-upload.md

@@ -155,6 +155,8 @@ Finally, you can use the special `ParseFilePipeBuilder` class that lets you comp
 file: Express.Multer.File,
 ```
 
+> info **Hint** File presence is required by default, but you can make it optional by adding `fileIsRequired: false` parameter inside `build` function options (at the same level as `errorHttpStatusCode`).
+
 #### Array of files
 
 To upload an array of files (identified with a single field name), use the `FilesInterceptor()` decorator (note the plural **Files** in the decorator name). This decorator takes three arguments: