(DOCS): Edit Custom fields (RocketChat#1448)

* (DOCS): Edit Custom Fields

* Edit Custom fields

* Update header

Author: paulofariadias

administrator-guides/custom-fields/README.md

@@ -1,16 +1,16 @@
 # Custom Fields
 
-In Rocket.Chat you can set customized fields for user registration. An example would be adding a field `address` or `role`, where the user could select from various roles of a company.
+In Rocket.Chat you can set customized fields for user registration. By adding an `address` or `role` field, where the user could select from various roles of a company, for example.
 
-> Note: Unfortunately for now you might need some basic javascript and Rocket.Chat's internal workings understanding to set custom fields different from the example below. A more _user friendly_ interface is planned for the future.
+**Note**: Currently you may need some basic understanding of Javascript, and Rocket.Chat's internal working structure to set other custom fields than in the example below. A more _user-friendly_ interface is planned for the future.
 
-You can set custom fields under `Administration -> Accounts -> Registration -> Custom Fields`.
+You can set custom fields under `Administration > Accounts > Registration > Custom Fields`.
 
-Custom fields will show up when a user registers and when an admin look for that user's information.
+Custom fields show up when a user registers, and when an admin looks for that user's information.
 
-For now, you need to set custom fields using a [JSON object](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON).
+For now, set custom fields using a [JSON object](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON).
 
-Make sure to use a valid `JSON` where `keys` are the `field names` containing a dictionary of field settings. Example:
+Make sure to use a valid `JSON`, where `keys` are the `field names` containing a dictionary of field settings. Example:
 
 ```json
 {
@@ -33,28 +33,28 @@ Make sure to use a valid `JSON` where `keys` are the `field names` containing a
 }
 ```
 
-In this example we are setting two new fields, we will go over each proadressperty of these fields:
+In the example above we set two new fields with the following properties:
 
-- **type**: This defines the type of the field, currently we have 2 types: `select` and `text`. Where `select` creates a dropdown list and `text` creates a plain text form.
+- **type**: defines the type of the field, currently there are 2 types: `select` and `text`, where `select` creates a dropdown list, and `text` creates a plain text form.
 
-- **defaultValue**: This is to be used with a `select` form type. This sets the default option for the list.
+- **defaultValue**: used with a `select` form type to set the default option for the list.
 
-- **options**: This is to be used with a `select` form type. These are the values that should be on the dropdown list. You need to use a [javascript Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) to create this. It follows this pattern `["item1", "item2","item3"]`.
+- **options**: used with a `select` form type for the values that should be on the dropdown list, which follows the `["item1", "item2","item3"]` pattern. Use a [javascript Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) to create it.
 
-- **required**: This sets if the field is required for registration. You should use `true` or `false` in this property.
+- **required**: defines if the field is required for registration; use `true` or `false` in this property.
 
-- **minLength**: This is to be used with a `text`. This defines the minimum length required in the form.
+- **minLength**: used with a `text` to define the minimum length required in the form.
 
-- **maxLength**: This is to be used with a `text`. This defines the maximum length required in the form.
+- **maxLength**: used with a `text` to define the maximum length required in the form.
 
-- **modifyRecordField**: If you are adding a field that already exists in Rocket.Chat, you will need to use this property.
+- **modifyRecordField**: this property is required when you add a field that already exists in Rocket.Chat.
 
-- **array**: This is to be used inside the `modifyRecordField` property. This defines if the existing field is an array.
+- **array**: used inside the `modifyRecordField` property to define if the existing field is an array.
 
-- **field**: This is to be used inside the `modifyRecordField` property. This should be the name of the existing field.
+- **field**: used inside the `modifyRecordField` property; it should be the name of the existing field.
 
-- **public**: This defines the field as visible for other users when looking at a user profile.
+- **public**: defines the field as visible for other users when looking at this user's profile.
 
-- **private**: This defines the field as private, so only users with the permission `view-full-other-user-info` will be able to see this field when viewing that user profile.
+- **private**: defines the field as private, so only users with `view-full-other-user-info` permission can see this field when viewing this user's profile.
 
-> Note: Please use `tabs` for indentation, if you use `spaces` for indentation the fields will not work.
+**Note**: Fields work with `tabs` for indentation, avoid using `spaces`.