Merge branch 'master' into dash-image-processing

Author: YunkeXiao

apps/dash-oil-gas-ternary/README.md

@@ -6,15 +6,17 @@ This is a demo of Dash interactive Python framework developed by [Plotly](https/
 
 ![Animated](assets/Screencast.gif)
 
+Try out the [demo app here](https://dash-gallery.plotly.host/dash-oil-gas-ternary/).
+
 ## Screenshots
 ![initial](assets/Screenshot.png)
 
 ## Requirements
 We suggest you to create a separate virtual environment running Python 3 for this app, and install all of the required dependencies there. Run in Terminal/Command Prompt:
 
 ```
-git clone https://github.com/plotly/dash-sample-apps.git
-cd dash-oil-gas-ternary
+git clone https://github.com/plotly/dash-sample-apps
+cd dash-sample-apps/apps/dash-oil-gas-ternary
 python3 -m virtualenv venv
 ```
 In UNIX system: