diff --git a/CHANGES.rst b/CHANGES.rst
index 494a721..04c5a2e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -9,6 +9,9 @@ Added
 Fixed
 -----
 
+- Very large tables are now sorted without crashing. This is done by merge sorting
+  in temporary files.
+
 
 1.0.0_ / 2021-09-11
 ====================