update tooltip text

sarahs · sarahs · commit 94ec6912150c · 2021-04-22T12:17:07.000-04:00
diff --git a/data/ui.yml b/data/ui.yml
@@ -176,7 +176,8 @@ learning_track_nav:
   nextGuide: Next guide
 contributor_callout: This article is contributed and maintained by
 toggle_images:
-  hide: Hide images on page
-  show: Show images on page
+  off: Images are off, click to show
+  on: Images are on, click to hide
   hide_single: Hide image
   show_single: Show image
+scroll_to_top: Scroll to top
