diff --git a/src/mainboard/starlabs/starbook/variants/adl/gpio.c b/src/mainboard/starlabs/starbook/variants/adl/gpio.c
index b7c9a8f..3144c71 100644
--- a/src/mainboard/starlabs/starbook/variants/adl/gpio.c
+++ b/src/mainboard/starlabs/starbook/variants/adl/gpio.c
@@ -206,7 +206,7 @@
 	PAD_NC(GPP_D3, NONE),
 	/* D4:		Not Connected					*/
 	PAD_NC(GPP_D4, NONE),
-	/* D5:		Not Connected					*/
+	/* D5:		Clock Request 0					*/
 	PAD_NC(GPP_D5, NONE),
 	/* D6:		Clock Request 1		PCH M.2 SSD		*/
 	PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
@@ -381,7 +381,7 @@
 	PAD_NC(GPP_H21, NONE),
 	/* H22:		Not Connected					*/
 	PAD_NC(GPP_H22, NONE),
-	/* H23:		Not Connected					*/
+	/* H23:		Clock Request 5					*/
 	PAD_NC(GPP_H23, NONE),
 
 	/* S0:		Not Connected					*/
diff --git a/src/mainboard/starlabs/starbook/variants/rpl/gpio.c b/src/mainboard/starlabs/starbook/variants/rpl/gpio.c
index aba6dc8..8572b09 100644
--- a/src/mainboard/starlabs/starbook/variants/rpl/gpio.c
+++ b/src/mainboard/starlabs/starbook/variants/rpl/gpio.c
@@ -206,7 +206,7 @@
 	PAD_NC(GPP_D3, NONE),
 	/* D4:		Not Connected					*/
 	PAD_NC(GPP_D4, NONE),
-	/* D5:		Not Connected					*/
+	/* D5:		Clock Request 0					*/
 	PAD_NC(GPP_D5, NONE),
 	/* D6:		Clock Request 1		PCH M.2 SSD		*/
 	PAD_NC(GPP_D6, NONE),
@@ -381,7 +381,7 @@
 	PAD_NC(GPP_H21, NONE),
 	/* H22:		Not Connected					*/
 	PAD_NC(GPP_H22, NONE),
-	/* H23:		Not Connected					*/
+	/* H23:		Clock Request 5					*/
 	PAD_NC(GPP_H23, NONE),
 
 	/* S0:		Not Connected					*/