diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index 3e21fdf..4769ffe 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -209,7 +209,7 @@
 #define MAC_CSR21_OFF_PERIOD		FIELD16(0xff00)
 
 /*
- * Collision window control register.
+ * MAC_CSR22: Collision window control register.
  */
 #define MAC_CSR22			0x042c
 
@@ -296,7 +296,7 @@
 #define TXRX_CSR7_BBP_ID1_VALID		FIELD16(0x8000)
 
 /*
- * TXRX_CSR5: OFDM TX BBP ID1.
+ * TXRX_CSR8: OFDM TX BBP ID1.
  */
 #define TXRX_CSR8			0x0450
 #define TXRX_CSR8_BBP_ID0		FIELD16(0x007f)
@@ -370,7 +370,14 @@
  */
 
 /*
- * SEC_CSR0-SEC_CSR7: Shared key 0, word 0-7
+ * SEC_CSR0: Shared key 0, word 0
+ * SEC_CSR1: Shared key 0, word 1
+ * SEC_CSR2: Shared key 0, word 2
+ * SEC_CSR3: Shared key 0, word 3
+ * SEC_CSR4: Shared key 0, word 4
+ * SEC_CSR5: Shared key 0, word 5
+ * SEC_CSR6: Shared key 0, word 6
+ * SEC_CSR7: Shared key 0, word 7
  */
 #define SEC_CSR0			0x0480
 #define SEC_CSR1			0x0482
@@ -382,7 +389,14 @@
 #define SEC_CSR7			0x048e
 
 /*
- * SEC_CSR8-SEC_CSR15: Shared key 1, word 0-7
+ * SEC_CSR8: Shared key 1, word 0
+ * SEC_CSR9: Shared key 1, word 1
+ * SEC_CSR10: Shared key 1, word 2
+ * SEC_CSR11: Shared key 1, word 3
+ * SEC_CSR12: Shared key 1, word 4
+ * SEC_CSR13: Shared key 1, word 5
+ * SEC_CSR14: Shared key 1, word 6
+ * SEC_CSR15: Shared key 1, word 7
  */
 #define SEC_CSR8			0x0490
 #define SEC_CSR9			0x0492
@@ -394,7 +408,14 @@
 #define SEC_CSR15			0x049e
 
 /*
- * SEC_CSR16-SEC_CSR23: Shared key 2, word 0-7
+ * SEC_CSR16: Shared key 2, word 0
+ * SEC_CSR17: Shared key 2, word 1
+ * SEC_CSR18: Shared key 2, word 2
+ * SEC_CSR19: Shared key 2, word 3
+ * SEC_CSR20: Shared key 2, word 4
+ * SEC_CSR21: Shared key 2, word 5
+ * SEC_CSR22: Shared key 2, word 6
+ * SEC_CSR23: Shared key 2, word 7
  */
 #define SEC_CSR16			0x04a0
 #define SEC_CSR17			0x04a2
@@ -406,7 +427,14 @@
 #define SEC_CSR23			0x04ae
 
 /*
- * SEC_CSR24-SEC_CSR31: Shared key 3, word 0-7
+ * SEC_CSR24: Shared key 3, word 0
+ * SEC_CSR25: Shared key 3, word 1
+ * SEC_CSR26: Shared key 3, word 2
+ * SEC_CSR27: Shared key 3, word 3
+ * SEC_CSR28: Shared key 3, word 4
+ * SEC_CSR29: Shared key 3, word 5
+ * SEC_CSR30: Shared key 3, word 6
+ * SEC_CSR31: Shared key 3, word 7
  */
 #define SEC_CSR24			0x04b0
 #define SEC_CSR25			0x04b2