diff --git a/memcached/README.md b/memcached/README.md
index 38e5f89d..a2039d57 100644
--- a/memcached/README.md
+++ b/memcached/README.md
@@ -15,5 +15,15 @@ Main variables are :
 * `memcached_port`: opened port (default: `11211`) ;
 * `memcached_bind_interface`: interface to listen to (default: `127.0.0.1`) ;
 * `memcached_connections`: number of simultaneous incoming connections (default: `1024`) ;
+* `memcached_instance_name`: use this to set up multiple memcached instances (default: `False`) ;
 
 The full list of variables (with default values) can be found in `defaults/main.yml`.
+
+## Multiple intances
+
+When using memcached_instance_name variable, you can set up multiple memcached instances :
+
+  roles:
+   - { role: memcached, memcached_instance_name: "instance1" }
+   - { role: memcached, memcached_instance_name: "instance2" }
+