ath5k: fix typos, bad comment formatting and GHz in place of MHz

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/rfgain.h b/drivers/net/wireless/ath/ath5k/rfgain.h
index 70c9a45..ebfae05 100644
--- a/drivers/net/wireless/ath/ath5k/rfgain.h
+++ b/drivers/net/wireless/ath/ath5k/rfgain.h
@@ -30,7 +30,7 @@
 
 /* Initial RF Gain settings for RF5111 */
 static const struct ath5k_ini_rfgain rfgain_5111[] = {
-	/*			      5Ghz	2Ghz	*/
+	/*			      5GHz	2GHz	*/
 	{ AR5K_RF_GAIN(0),	{ 0x000001a9, 0x00000000 } },
 	{ AR5K_RF_GAIN(1),	{ 0x000001e9, 0x00000040 } },
 	{ AR5K_RF_GAIN(2),	{ 0x00000029, 0x00000080 } },
@@ -99,7 +99,7 @@
 
 /* Initial RF Gain settings for RF5112 */
 static const struct ath5k_ini_rfgain rfgain_5112[] = {
-	/*			      5Ghz	2Ghz	*/
+	/*			      5GHz	2GHz	*/
 	{ AR5K_RF_GAIN(0),	{ 0x00000007, 0x00000007 } },
 	{ AR5K_RF_GAIN(1),	{ 0x00000047, 0x00000047 } },
 	{ AR5K_RF_GAIN(2),	{ 0x00000087, 0x00000087 } },
@@ -305,7 +305,7 @@
 
 /* Initial RF Gain settings for RF5413 */
 static const struct ath5k_ini_rfgain rfgain_5413[] = {
-	/*			      5Ghz	2Ghz	*/
+	/*			      5GHz	2GHz	*/
 	{ AR5K_RF_GAIN(0),	{ 0x00000000, 0x00000000 } },
 	{ AR5K_RF_GAIN(1),	{ 0x00000040, 0x00000040 } },
 	{ AR5K_RF_GAIN(2),	{ 0x00000080, 0x00000080 } },