Fix incorrect claim about mdls metadata name remaining unchanged

Not sure how I messed this up but it does change after the move.

README.md

@@ -63,22 +63,15 @@ The temporary recording file's name is a UUID.
 It doesn't have the date and time in the name so we can't use it to scan
 for the final file after the recording has finished.
 
-There are two ways to look at the file `Screen Recording …` files and
-see which one aligns with the UUID of the known temporary file name as
-it was captured while the screen recording was in progress:
+To find which final file corresponds to the temporary recording file, we
+can use the `inode`.
 
 `stat -f %i "$HOME/Desktop/Screen Recording ….mov"`
 
 The `inode` number given by this will be the same as the `inode` number
 of the final recording, indicating the file is moved after the recording
 finishes.
 
-`mdls "$HOME/Desktop/Screen Recording ….mov"`
-
-The `_kMDItemDisplayNameWithExtensions`, `kMDItemDisplayName` and
-`kMDItemFSName` attributes reported by this utility all contain the file
-name of the temporary file (the UUID one).
-
 ### `screencapture` PLIST
 
 There is also a binary PLIST used by `screencapture`.