diff --git a/dd-java-agent/instrumentation/spymemcached-2.12/spymemcached-2.12.gradle b/dd-java-agent/instrumentation/spymemcached-2.12/spymemcached-2.12.gradle
index 40c7f2875d..7c2f33bd44 100644
--- a/dd-java-agent/instrumentation/spymemcached-2.12/spymemcached-2.12.gradle
+++ b/dd-java-agent/instrumentation/spymemcached-2.12/spymemcached-2.12.gradle
@@ -1,3 +1,5 @@
+// building and testing against 2.12 because setListenerExecutorService exists to facilitate easier
+// testing. Instrumentation should work since 2.10
 muzzle {
   pass {
     group = "net.spy"