fix button location wording

README.md

@@ -24,11 +24,11 @@ Button injected on video page to download the video or subscribe to the channel.
 <br><br>
 
 ![search page](assets/tac-screenshot-search.jpg?raw=true "Tube Archivist Companion Search Page")
-Download button injected showing when hovering over top left corned of thumbnail
+Download button injected showing when hovering over the video title.
 <br><br>
 
 ![channel page](assets/tac-screenshot-channel.jpg?raw=true "Tube Archivist Companion Channel Page")
-Channel button injected to subscribe or download whole channel, video download button showing when hovering over topleft corner of thumbnail.
+Channel button injected to subscribe or download whole channel, video download button showing when hovering over the video title.
 <br>
 
 ## Install