diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index cf55fc9daff..623a20159e5 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -44,7 +44,7 @@ https://github.com/elastic/beats/compare/v6.0.0-beta2...master[Check the HEAD di
 *Auditbeat*
 
 *Filebeat*
-- Fix default paths for redis 4.0.1 logs on macOS {pull}5173[5173] 
+- Fix default paths for redis 4.0.1 logs on macOS {pull}5173[5173]
 
 *Heartbeat*
 
@@ -58,6 +58,7 @@ https://github.com/elastic/beats/compare/v6.0.0-beta2...master[Check the HEAD di
 - Don't start metricbeat if external modules config is wrong and reload is disabled {pull}5053[5053]
 - Fix kubernetes events module to be able to index time fields properly. {issue}5093[5093]
 - The MongoDB module now connects on each fetch, to avoid stopping the whole Metricbeat instance if MongoDB is not up when starting. {pull}5120[5120]
+- Fixed `cmd_set` and `cmd_get` being mixed in the Memcache module. {pull}5189[5189]
 
 *Packetbeat*