2 files changed, 2 insertions, 0 deletions
diff --git a/AUTHORS b/AUTHORS
index 3d3bc26..3893c8c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -33,6 +33,7 @@ Alphabetical list of contributors:
 * Ryan Wooden <rygwdn@gmail.com>
 * saaj <id@saaj.me>
 * Shen Longxing <shenlongxing2012@gmail.com>
+* Sjoerd Job Postmus
 * spigwitmer <itgpmc@gmail.com>
 * Tenghuan <tenghuanhe@gmail.com>
 * Tim Graham <timograham@gmail.com>
diff --git a/CHANGELOG b/CHANGELOG
index 6d22f45..fac9763 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -10,6 +10,7 @@ Internal Changes
   sqlparse.exceptions.
 * sqlparse.sql.Token.to_unicode was removed.
 * Lots of code cleanups and modernization (thanks esp. to vmuriart!).
+* Improved grouping performance. (sjoerdjob)
 
 Enhancements