ld2420 max_gate_distance description (#5344)

* Update ld2420.md

Cleanup max_gate_distance description

* Update ld2420.md

adjust line breaks

* Update content/components/sensor/ld2420.md

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Co-authored-by: Jonathan Swoboda <[email protected]>

Author: gapple

content/components/sensor/ld2420.md

@@ -195,10 +195,10 @@ number:
   `max_gate_distance` is specified. May contain any options from [Number](#config-number).
 
 - **max_gate_distance** (*Optional*): Maximum gate for movement detection. Value from 1 to 15. Each gate detects
-  movement and still energy at 70 cm increments. At the maximum value, the sensor's range equates to 16 *70 cm
-  resulting in an approximately 12-meter range; however, accuracy at this range may be diminished. The recommended
-  maximum value is 12* 70 cm which results in approximately 9 meters. **Required** when `presence_timeout` and
-  `min_gate_distance` is specified. May contain any options from [Number](#config-number).
+  movement and still energy at 70 cm increments. At the maximum value, the sensor's range equates to approximately
+  12 meters; however, accuracy at this range may be diminished. The recommended maximum value is 12 which results
+  in approximately 9 meters. **Required** when `presence_timeout` and `min_gate_distance` are specified. May contain
+  any options from [Number](#config-number).
 
 - **gate_still_sensitivity** (*Optional*): Gate still threshold calibration sensitivity factor. Defaults to 0.5 with a
   range of 0-1, 0 = high and 1 = low. May contain any options from [Number](#config-number).