Fix typo in light component documentation (#5807)

* Fix typo in light component documentation

* Update light.md

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Co-authored-by: Diego Marcos <diego.marcos@gmail.com>

Author: thatguyjk

docs/components/light.md

@@ -11,7 +11,7 @@ examples:
 
 The light component defines the entity as a source of light. Light affects all
 materials that have not specified a flat shading model with `shader: flat`.
-Note that lights are computationally expensive we should limit number of lights
+Note that lights are computationally expensive hence we should limit number of lights
 in a scene.
 
 ```html