chore: apply suggestions from code review

Author: rigor789

README.md

@@ -200,7 +200,7 @@ The easing to be used when animating. Read more in the [Easing section](#easing-
 *Default:* `ease`
 
 #### lazy
-Recalculating targetY/targetX at each scroll step. Useful when you don't know the final height of the container, and it grows as it scrolls.
+By default targetX/targetY are calculated once at the start of a scroll, however if the target may shift around during the scroll - setting `lazy` to `false` will force recalculation of targetX/targetY at each scroll step.
 
 *Default:* `true` 
 

src/scrollTo.js

@@ -35,7 +35,7 @@ export const scroller = () => {
   let container // container to scroll
   let duration // duration of the scrolling
   let easing // easing to be used when scrolling
-  let lazy //checks the target position at each step
+  let lazy // checks the target position at each step
   let offset // offset to be added (subtracted)
   let force // force scroll, even if element is visible
   let cancelable // indicates if user can cancel the scroll or not.