diff --git a/ethdb/memory_database.go b/ethdb/memory_database.go
index 6f28bae024..727f2f7ca3 100644
--- a/ethdb/memory_database.go
+++ b/ethdb/memory_database.go
@@ -23,7 +23,9 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
-// This is a test memory database. Do not use for any production, it does not get persisted.
+/*
+ * This is a test memory database. Do not use for any production it does not get persisted
+ */
 type MemDatabase struct {
 	db   map[string][]byte
 	lock sync.RWMutex