Typo Vector3.html (#30888)

Author: rizzler329842

docs/api/en/math/Vector3.html

@@ -485,7 +485,7 @@ <h3>[method:this setLength]( [param:Float l] )</h3>
 		<h3>[method:this setScalar]( [param:Float scalar] )</h3>
 		<p>
 			Set the [page:.x x], [page:.y y] and [page:.z z] values of this vector
-			both equal to [page:Float scalar].
+			all equal to [page:Float scalar].
 		</p>
 
 		<h3>[method:this setX]( [param:Float x] )</h3>