b43: Fix typo in modparam_btcoex description

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/main.c

@@ -91,7 +91,7 @@ MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
 
 static int modparam_btcoex = 1;
 module_param_named(btcoex, modparam_btcoex, int, 0444);
-MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistance (default on)");
+MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)");
 
 int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
 module_param_named(verbose, b43_modparam_verbose, int, 0644);