diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig
index 18d9d41ef3..8425005a86 100644
--- a/src/soc/mediatek/mt8192/Kconfig
+++ b/src/soc/mediatek/mt8192/Kconfig
@@ -33,10 +33,16 @@ config MT8192_DRAM_DVFS
 	bool
 	default n
 	help
-	  This options enables DRAM calibration with multiple frequencies (low,
-	  medium and high) for DVFS feature.
+	  This option enables DRAM calibration with multiple frequencies (low,
+	  medium and high frequency groups, with total 7 frequencies) for DVFS
+	  feature. All supported data rates are: 800, 1200, 1600, 1866, 2400,
+	  3200, 4266.
 
 config MEMORY_TEST
 	bool
 	default y
+	help
+	  This option enables memory basic compare test to verify the DRAM read
+	  or write is as expected.
+
 endif