Update docs

Author: phpfui

docs/2. Active Record.md

@@ -80,7 +80,7 @@ $customer->read($value);
  * Returns an array of errors indexed by field name. Empty array means the record has correctly validated.
 
 ## Related Records
-Related records are indicated by field name ending in the id suffix (default: 'Id').  The field name before the 'Id' must be the same as the corresponding table name.
+Related records are indicated by field name ending in the id suffix (default: 'Id').  The field name before the 'Id' must be the same as the corresponding table name. See See [Virtual Fields](<https://github.com/phpfui/ORM/blob/main/docs/5. Virtual Fields.md>) for more advanced Related Records.
 
 ### Accessing Related Records
 You access the related record by the base field name (without the id suffix). The field with the id suffix is the primary key of the related record.

docs/7. Validation.md

@@ -8,7 +8,8 @@ Individual validators are listed in the table below. Validators can be combined.
 ## Usage
 
 ```php
-$record = new \App\Record\Example($_POST);
+$record = new \App\Record\Example();
+$record->setFrom($_POST);
 $validationErrors = $record->validate();
 if (! validationErrors)
   {