diff --git a/src/runtime-rs/Makefile b/src/runtime-rs/Makefile
index b04f778808..99928009fd 100644
--- a/src/runtime-rs/Makefile
+++ b/src/runtime-rs/Makefile
@@ -176,7 +176,7 @@ ifneq (,$(DBCMD))
     SYSCONFIG_DB = $(abspath $(SYSCONFDIR)/$(CONFIG_FILE_DB))
     SYSCONFIG_PATHS += $(SYSCONFIG_DB)
     CONFIGS += $(CONFIG_DB)
-    # dragonball-specific options (all should be suffixed by "_dragonball")
+    # dragonball-specific options (all should be suffixed by "_DB")
     DEFMAXVCPUS_DB := 1
     DEFBLOCKSTORAGEDRIVER_DB := virtio-blk
     DEFNETWORKMODEL_DB := tcfilter