Fix doc typos

Author: phpfui

docs/6. Migrations.md

@@ -3,6 +3,9 @@
 
 Migrations convert the data from one version of the database to another.  They are atomic and can be run individually or in a group.  Even if run in a group, they can still be reverted individually.
 
+## Migration Philosophy
+PHPFUI/ORM is a schema first ORM. This makes it easy to initialize the ORM from an existing database. Use migrations to alter the schema, then use a variation of the generateCRUD.php script to generate the **Definition** files.
+
 ## Migration Table
 The table `migration` keeps track of the current version of the database.  It contains the version number and the time it was run for deployment tracking.
 
@@ -109,5 +112,5 @@ The [\PHPFUI\ORM\Migrator](http://phpfui.com/?n=PHPFUI%5CORM&c=Migrator) class i
 - **addColumn**(string $table, string $field, string $parameters) : bool
 	- Always adds a column
 - **alterColumn**(string $table, string $field, string $parameters, string $newName = '') : bool
-	- Alters a column incluing a reneme if $newName is provided
+	- Alters a column including renaming the column if $newName is provided