Merge pull request CSS-Next#95 from Que-tin/text-box-trim

Update list-of-css-features.md

Author: Que-tin

list-of-css-features.md

@@ -639,7 +639,8 @@ that were discussed
 | [hyphenate-limit-chars](https://developer.mozilla.org/en-US/docs/Web/CSS/hyphenate-limit-chars) | |
 | [initial-letter](https://developer.mozilla.org/en-US/docs/Web/CSS/initial-letter) | |
 | [initial-letter-align](https://developer.mozilla.org/en-US/docs/Web/CSS/initial-letter-align) | |
-| Text-box trim | |
+| text-box-trim | |
+| text-box-edge | |
 | [text-wrap](https://developer.mozilla.org/en-US/docs/Web/CSS/text-wrap) | balance / pretty |
 
 </details>