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/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index 4939082..0d5ab34 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -348,7 +348,7 @@
 		mfilt[pos / 32] |= (1 << (pos % 32));
 		/* XXX: we might be able to just do this instead,
 		* but not sure, needs testing, if we do use this we'd
-		* neet to inform below to not reset the mcast */
+		* need to inform below not to reset the mcast */
 		/* ath5k_hw_set_mcast_filterindex(ah,
 		 *      ha->addr[5]); */
 	}
@@ -471,7 +471,7 @@
 	if (iter_data.n_stas > 1) {
 		/* If you have multiple STA interfaces connected to
 		 * different APs, ARPs are not received (most of the time?)
-		 * Enabling PROMISC appears to fix that probem.
+		 * Enabling PROMISC appears to fix that problem.
 		 */
 		rfilt |= AR5K_RX_FILTER_PROM;
 	}