FIXUP: Stop spellchecker complaints

Author: aero31aero

docs/change_log/release-3.3.md

@@ -55,7 +55,7 @@ The following bug fixes are included in the 3.3 release:
 
 * Fix issues with complex emphasis (#979).
 * Limitations of `attr_list` extension are Documented (#965).
-* Fix unescaping of HTML characters <> in CodeHilite (#990).
+* Fix un-escaping of HTML characters <> in CodeHilite (#990).
 
 [spec]: https://www.w3.org/TR/html5/text-level-semantics.html#the-code-element
 [fenced_code]: ../extensions/fenced_code_blocks.md