Update README.md

README.md

@@ -1,4 +1,4 @@
-A collection of 14,808 emojis from Apple, Facebook, Google, and WhatsApp. It includes all the emojis for these apps/platforms as of early 2022.
+A collection of 14,808 emoji images from Apple, Facebook, Google, and WhatsApp. It includes all the emojis for these apps/platforms as of early 2022.
 
 * Counts: Facebook=3664, Google=3664, Apple=3961, WhatsApp=3519.
 * The emoji code points are at the end of the filename. For example, the filename "astronaut-dark-skin-tone_1f9d1-1f3ff-200d-1f680.png" can be converted to an emoji in several different ways (in JavaScript):
@@ -6,6 +6,7 @@ A collection of 14,808 emojis from Apple, Facebook, Google, and WhatsApp. It inc
   * `String.fromCodePoint(0x1f9d1, 0x1f3ff, 0x200d, 0x1f680)`
   * More generally: `String.fromCodePoint(...filename.split("_")[1].split("-").map(n => parseInt(n, 16)))`
 * The images are all 144x144 pixels.
+* The 4 tar files directly contain the image files (they're not inside a parent folder).
 
 ## apple examples:
 ![apple emoji grid](https://i.imgur.com/RzW71pz.png)