Clean up (#24615)

docs/api/en/lights/SpotLight.html

@@ -136,7 +136,7 @@
 			In [page:WebGLRenderer.physicallyCorrectLights physically correct] mode, power is the luminous
 			power of the light measured in lumens (lm). <br /><br />
 
-			Changing this will also change the light's intensity.
+			Changing the power will also change the light's intensity.
 		</p>