diff --git a/db/backend_test.go b/db/backend_test.go
index 9e73a1f66..80fbbb140 100644
--- a/db/backend_test.go
+++ b/db/backend_test.go
@@ -15,7 +15,7 @@ func cleanupDBDir(dir, name string) {
 	os.RemoveAll(filepath.Join(dir, name) + ".db")
 }
 
-func testBackendGetSetDelete(t *testing.T, backend DbBackendType) {
+func testBackendGetSetDelete(t *testing.T, backend DBBackendType) {
 	// Default
 	dir, dirname := cmn.Tempdir(fmt.Sprintf("test_backend_%s_", backend))
 	defer dir.Close()
diff --git a/db/common_test.go b/db/common_test.go
index 4209b44d7..1b0f00416 100644
--- a/db/common_test.go
+++ b/db/common_test.go
@@ -45,7 +45,7 @@ func checkValuePanics(t *testing.T, itr Iterator) {
 	assert.Panics(t, func() { itr.Key() }, "checkValuePanics expected panic but didn't")
 }
 
-func newTempDB(t *testing.T, backend DbBackendType) (db DB) {
+func newTempDB(t *testing.T, backend DBBackendType) (db DB) {
 	dir, dirname := cmn.Tempdir("test_go_iterator")
 	db = NewDB("testdb", backend, dirname)
 	dir.Close()
diff --git a/db/db.go b/db/db.go
index ac19f6b4b..869937660 100644
--- a/db/db.go
+++ b/db/db.go
@@ -5,21 +5,21 @@ import "fmt"
 //----------------------------------------
 // Main entry
 
-type DbBackendType string
+type DBBackendType string
 
 const (
-	LevelDBBackend   DbBackendType = "leveldb" // legacy, defaults to goleveldb unless +gcc
-	CLevelDBBackend  DbBackendType = "cleveldb"
-	GoLevelDBBackend DbBackendType = "goleveldb"
-	MemDBBackend     DbBackendType = "memdb"
-	FSDBBackend      DbBackendType = "fsdb" // using the filesystem naively
+	LevelDBBackend   DBBackendType = "leveldb" // legacy, defaults to goleveldb unless +gcc
+	CLevelDBBackend  DBBackendType = "cleveldb"
+	GoLevelDBBackend DBBackendType = "goleveldb"
+	MemDBBackend     DBBackendType = "memdb"
+	FSDBBackend      DBBackendType = "fsdb" // using the filesystem naively
 )
 
 type dbCreator func(name string, dir string) (DB, error)
 
-var backends = map[DbBackendType]dbCreator{}
+var backends = map[DBBackendType]dbCreator{}
 
-func registerDBCreator(backend DbBackendType, creator dbCreator, force bool) {
+func registerDBCreator(backend DBBackendType, creator dbCreator, force bool) {
 	_, ok := backends[backend]
 	if !force && ok {
 		return
@@ -27,7 +27,7 @@ func registerDBCreator(backend DbBackendType, creator dbCreator, force bool) {
 	backends[backend] = creator
 }
 
-func NewDB(name string, backend DbBackendType, dir string) DB {
+func NewDB(name string, backend DBBackendType, dir string) DB {
 	db, err := backends[backend](name, dir)
 	if err != nil {
 		panic(fmt.Sprintf("Error initializing DB: %v", err))