Update spatial-analysis-operations.md

Author: Juliako

articles/azure-video-analyzer/video-analyzer-docs/spatial-analysis-operations.md

@@ -249,7 +249,7 @@ See an example of [Person Distance Operation](https://raw.githubusercontent.com/
 | `outputFrequency`           | int     | The rate at which events are egressed. When outputFrequency = X, every X event is egressed, ex. outputFrequency = 2 means every other event is output. The outputFrequency is applicable to both event and interval.                                                                                                                                                                                                                                                                                                                                                     |
 | `minimumDistanceThreshold`  | float   | A distance in feet that will trigger a "TooClose" event when people are less than that distance apart.                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
 | `maximumDistanceThreshold`  | float   | A distance in feet that will trigger a "TooFar" event when people are greater than that distance apart.                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
-| `aggregationMethod`         | string  | The method for aggregate persondistance result. The aggregationMethod is applicable to both mode and average.                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
+| `aggregationMethod`         | string  | The method for aggregate `persondistance` result. The aggregationMethod is applicable to both mode and average.                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
 | `enableFaceMaskClassifier`  | boolean | true to enable detecting people wearing face masks in the video stream, false to disable it. By default this is disabled. Face mask detection requires input video width parameter to be 1920 "INPUT_VIDEO_WIDTH": 1920. The face mask attribute will not be return.                                                                                                                                                                                                                                                                                                        |
 | `detectorNodeConfiguration` | string  | The DETECTOR_NODE_CONFIG parameters for all Spatial Analysis operations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `trackerNodeConfiguration` | string  | The TRACKER_NODE_CONFIG parameters for all Spatial Analysis operations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |