Update articles/cognitive-services/Computer-vision/intro-to-spatial-analysis-public-preview.md

Co-authored-by: Patrick Farley <[email protected]>

Author: jfilcik

articles/cognitive-services/Computer-vision/intro-to-spatial-analysis-public-preview.md

@@ -41,7 +41,7 @@ This feature analyzes how well people follow social distancing requirements in a
 
 ![Spatial Analysis visualizes social distance violation events showing lines between people showing the distance](https://user-images.githubusercontent.com/11428131/137016634-9f401b36-029d-456d-a0fe-a2a3bbabed0b.gif)
 
-Spatial Analysis can also be configured to detect if a person is wearing a protective face covering such as a mask. A mask classifier can be enabled for the PersonCount, PersonCrossingLine, and PersonCrossingPolygon operations by configuring the ENABLE_FACE_MASK_CLASSIFIER parameter.
+Spatial Analysis can also be configured to detect if a person is wearing a protective face covering such as a mask. A mask classifier can be enabled for the PersonCount, PersonCrossingLine, and PersonCrossingPolygon operations by configuring the `ENABLE_FACE_MASK_CLASSIFIER` parameter.
 
 ![Spatial Analysis classifies whether people have facemasks in the elevator](https://user-images.githubusercontent.com/11428131/137015842-ce524f52-3ac4-4e42-9067-25d19b395803.png)