Add link to Hosting documentation from Picture Element docs (home-ass…

…istant#13403)

.github/PULL_REQUEST_TEMPLATE.md

@@ -45,4 +45,4 @@
   - I made a change that is related to an upcoming version of Home Assistant and used the `next` branch.
 - [ ] The documentation follows the Home Assistant documentation [standards][].
 
-[standards]: https://developers.home-assistant.io/docs/documentation_standards.html
+[standards]: https://developers.home-assistant.io/docs/documenting/standards

README.md

@@ -9,11 +9,13 @@ This is the source for the [Home-Assistant.io website](https://home-assistant.io
 
 ## Setup
 
-Setting up to contribute to documentation and the process for submitting pull requests is explained in the [developer documentation](https://developers.home-assistant.io/docs/documentation_index.html).
+Setting up to contribute to documentation and the process for submitting pull requests is explained in the [developer documentation](https://developers.home-assistant.io/docs/documenting).
 
 ## Site preview
 
-In order to make the preview available on [http://127.0.0.1:4000](http://127.0.0.1:4000), use the command as follows:
+In order to make the preview available on [http://127.0.0.1:4000](http://127.0.0.1:4000), use the following [bundler](
+https://bundler.io/
+) command:
 
 ```bash
 bundle exec rake preview

source/_lovelace/picture-elements.markdown

@@ -6,7 +6,7 @@ description: "The Picture Elements card is one of the most versatile types of ca
 
 The Picture Elements card is one of the most versatile types of cards.
 
-The cards allow you to position icons or text and even services! On an image based on coordinates. Imagine floor plan, imagine [picture-glance](/lovelace/picture-glance/) with no restrictions!
+The cards allow you to position icons or text and even services on an image based on coordinates. Imagine floor plan, imagine [picture-glance](/lovelace/picture-glance/) with no restrictions!
 
 <p class='img'>
   <img src='/images/lovelace/lovelace_picture_elements.gif' alt='A functional floorplan powered by picture elements'>
@@ -20,7 +20,7 @@ type:
   type: string
 image:
   required: true
-  description: The URL of an image.
+  description: The URL of an image.<br/>To use a locally hosted image, see [Hosting](/integrations/http#hosting-files).
   type: string
 elements:
   required: true