Fix a confusing sentence

Author: jbranchaud

vim/open-fzf-result-in-a-split.md

@@ -3,9 +3,9 @@
 The [`fzf.vim` plugin](https://github.com/junegunn/fzf.vim) allows you to do
 speedy fuzzy searches for filenames and line-by-line content.
 
-Once you've narrowed down the results and found what you're interested, you
-can hit `<enter>` and a new buffer will open over what was already in the
-window. You can also open that file as a split.
+Once you've narrowed down the results and found what you're interested in,
+you can hit `<enter>` and a new buffer will open over what was already in
+the window. You can also open that file as a split.
 
 Hitting `Ctrl-x` will open the file under the cursor as a horizontal split.