Update intro-to-spatial-analysis-public-preview.md

small correction. Trying to retry build issues

Author: jfilcik

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

@@ -43,7 +43,7 @@ This feature analyzes how well people follow social distancing requirements in a
 
 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)
+![Spatial Analysis classifies whether people have facemasks in an elevator](https://user-images.githubusercontent.com/11428131/137015842-ce524f52-3ac4-4e42-9067-25d19b395803.png)
 
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