Apply suggestions from code review

Co-authored-by: David Barri <[email protected]>

Author: armanbilge

src/main/scala/org/scalajs/dom/Fetch.scala

@@ -173,11 +173,11 @@ trait ResponseInit extends js.Object {
 @js.native
 trait Body extends js.Object {
 
-  /*: Contains a Boolean that indicates whether the body has been read.
+  /* Contains a Boolean that indicates whether the body has been read.
    */
   def bodyUsed: Boolean = js.native
 
-  /*: Takes a Response stream and reads it to completion. It returns a promise that resolves with an ArrayBuffer.
+  /* Takes a Response stream and reads it to completion. It returns a promise that resolves with an ArrayBuffer.
    */
   def arrayBuffer(): js.Promise[ArrayBuffer] = js.native