diff --git a/src/plugins/e-acsl/doc/Changelog b/src/plugins/e-acsl/doc/Changelog
index e50e5b55446e16fe716ff5acd3c7bfe459b39185..d5e4963f6521e1cb1b4118a55d603636df9b0e2a 100644
--- a/src/plugins/e-acsl/doc/Changelog
+++ b/src/plugins/e-acsl/doc/Changelog
@@ -25,6 +25,7 @@
 Plugin E-ACSL <next-release>
 ############################
 
+-  E-ACSL       [2021-07-06] Add support for the extended quantifier \sum.
 -* E-ACSL       [2021-06-22] Fix a crash that occured when using certain
                 combinations of nested blocks and annotations.
 -* E-ACSL       [2021-06-16] Fix literal string replacements in function