diff --git a/arch/xtensa/src/esp32/Kconfig b/arch/xtensa/src/esp32/Kconfig
index 38997c7b07..fa2e873295 100644
--- a/arch/xtensa/src/esp32/Kconfig
+++ b/arch/xtensa/src/esp32/Kconfig
@@ -253,14 +253,16 @@ config ESP32_PCNT
 	bool "Pulse Counter (PCNT / QE) Module"
 	default n
 	---help---
-		No yet implemented
+		Pulse Counter is currently used to implement Quadracture
+		Encoder.
 
 config ESP32_RMT
 	bool "Remote Control Module (RMT)"
 	default n
 	depends on EXPERIMENTAL
 	---help---
-		No yet implemented
+		Remote Control Module is currently used to control WS2812
+		RGB LED normally used on LED strips.
 
 config ESP32_RNG
 	bool "Random Number Generator (RNG)"