Tweak return value description

diff --git a/docs/api/clipboard.md b/docs/api/clipboard.md
index a8c4605..c4ae96c 100644 (file)
--- a/docs/api/clipboard.md
+++ b/docs/api/clipboard.md
@@ -77,9 +77,9 @@ Writes the `text` into the clipboard in RTF.
 
 ### `clipboard.readBookmark()`
 
-Returns an Object containing `title` and `url` string keys representing the
-bookmark in the clipboard. The `title` and `url` values will be empty strings
-when the bookmark is unavailable.
+Returns an Object containing `title` and `url` keys representing the bookmark in
+the clipboard. The `title` and `url` values will be empty strings when the
+bookmark is unavailable.
 
 ### `clipboard.writeBookmark(title, url[, type])`