Merge pull request #1450 from jevonearth/app-custom-fileds

Clarify that Custom Fields can be created on

frappe/docs/user/guides/app_development/how-to-add-customizations-to-app.md → frappe/docs/user/guides/app_development/how-to-create-custom-fields-during-app-installation.md

@@ -1,4 +1,6 @@
-If you want to add **Custom Fields** to your app so that they are automatically created when you app is installed on a new site, you will have to add them as **Fixtures** in the `hooks.py` file of your app.
+Your custom app can automatically add **Custom Fields** to DocTypes outside of your app when it is installed to a new site.
+
+To do this, add the new custom fields that your app requires, using the Frappe web application. 
 
 In your `hooks.py` file, add `"Custom Fields"`
 
@@ -8,11 +10,11 @@ Export fixtures before you commit your app with:
 
 	$ bench --site mysite export-fixtures
 
-This will create a new folder called `fixtures` in your app folder and a `.csv` or `.json` file will be created with the custom fields.
+This will create a new folder called `fixtures` in your app folder and a `.csv` or `.json` file will be created with the definition of the custom fields you added.
 
 This file will be automatically imported when the app is installed in a new site or updated via `bench update`.
 
 Note: You can also add single DocTypes like "Website Settings" as fixtures
 
 
-<!-- markdown -->
+<!-- markdown -->