rt2x00: Comment spellchecking

Fix a bunch of spelling errors in the rt2x00 drivers

Signed-off-by: Luis Correia <luis.f.correia@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 4c76c8d..cbec91e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -245,7 +245,7 @@
 	struct antenna_setup active;
 
 	/*
-	 * RSSI information for the different antenna's.
+	 * RSSI information for the different antennas.
 	 * These statistics are used to determine when
 	 * to switch antenna when using software diversity.
 	 *
@@ -633,7 +633,7 @@
 	 * The structure stored in here depends on the
 	 * system bus (PCI or USB).
 	 * When accessing this variable, the rt2x00dev_{pci,usb}
-	 * macro's should be used for correct typecasting.
+	 * macros should be used for correct typecasting.
 	 */
 	struct device *dev;