diff --git a/redis.conf b/redis.conf
index 62d816fff..4760f2914 100644
--- a/redis.conf
+++ b/redis.conf
@@ -219,6 +219,10 @@ slave-serve-stale-data yes
 # buffer of slaves is full with DELs of keys evicted triggering the deletion
 # of more keys, and so forth until the database is completely emptied.
 #
+# In short... if you have slaves attached it is suggested that you set a lower
+# limit for maxmemory so that there is some free RAM on the system for slave
+# output buffers (but this is not needed if the policy is 'noeviction').
+#
 # maxmemory <bytes>
 
 # MAXMEMORY POLICY: how Redis will select what to remove when maxmemory