Fix typos

Author: nicolas-grekas

CHANGELOG.md

@@ -45,7 +45,7 @@ CHANGELOG
  * added `LazyString` which provides memoizing stringable objects
  * The component is not marked as `@experimental` anymore
  * added the `s()` helper method to get either an `UnicodeString` or `ByteString` instance,
-   depending of the input string UTF-8 compliancy
+   depending of the input string UTF-8 compliance
  * added `$cut` parameter to `Symfony\Component\String\AbstractString::truncate()`
  * added `AbstractString::containsAny()`
  * allow passing a string of custom characters to `ByteString::fromRandom()`