diff --git a/src/object.c b/src/object.c
index 08c9ad95..2565ed59 100644
--- a/src/object.c
+++ b/src/object.c
@@ -1163,7 +1163,9 @@ void memoryCommand(client *c) {
         /* Nothing to do for other allocators. */
 #endif
     } else if (!strcasecmp(c->argv[1]->ptr,"help") && c->argc == 2) {
-        addReplyMultiBulkLen(c,4);
+        addReplyMultiBulkLen(c,5);
+        addReplyBulkCString(c,
+"MEMORY DOCTOR                        - Outputs memory problems report");
         addReplyBulkCString(c,
 "MEMORY USAGE <key> [SAMPLES <count>] - Estimate memory usage of key");
         addReplyBulkCString(c,