Update docs/tutorial_photosketch.md runwayml#2

Committing optional note for docker Co-Authored-By: jpyepez <jpyepezimc@gmail.com>
jpyepez · Apr 7, 2019 · cfb9b86 · cfb9b86
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diff --git a/docs/tutorial_photosketch.md b/docs/tutorial_photosketch.md
@@ -6,7 +6,7 @@ In this tutorial, we will use PhotoSketch to create an outline from your camera
 
 ## Requirements
 * Runway Beta
-* Docker to run the model locally, or enough credits to use a remote GPU (To install Docker, please follow the installation instructions [here](https://docs.runwayapp.ai/#/installation?id=download-docker))
+* Optional: Docker to run the model locally. (To install Docker, please follow the installation instructions [here](https://docs.runwayapp.ai/#/installation?id=download-docker))
 * A webcam or built-in camera
 
 ## Step 1