diff --git a/ChangeLog.md b/ChangeLog.md
index 6b648414ad9..49e13779edb 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -141,6 +141,11 @@ These artifacts include extensions for the types available in the latter JDKs, s
 - [`KT-6916`](https://youtrack.jetbrains.com/issue/KT-6916) Optimize 'for' over 'downTo'
 - [`KT-12733`](https://youtrack.jetbrains.com/issue/KT-12733) Optimize 'for' over 'rangeTo' as a non-qualified call
 
+### Standard Library
+
+- [`KT-13115`](https://youtrack.jetbrains.com/issue/KT-13115), [`KT-13297`](https://youtrack.jetbrains.com/issue/KT-13297) Improve documentation formatting, clarify documentation for `FileTreeWalk`, `Sequence` and `generateSequence`.
+- [`KT-12894`](https://youtrack.jetbrains.com/issue/KT-12894) Do not fail in `Closeable.use` if the resource is `null`.
+
 ### Reflection
 
 - [`KT-12915`](https://youtrack.jetbrains.com/issue/KT-12915) Runtime exception on callBy of JvmStatic function with default arguments