iwlwifi: mvm: clarify smps_requests documentation

The documentation for smps_requests is unclear, rewrite it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/mvm.h

@@ -273,8 +273,8 @@ struct iwl_mvm_vif_bf_data {
  * @bcast_sta: station used for broadcast packets. Used by the following
  *  vifs: P2P_DEVICE, GO and AP.
  * @beacon_skb: the skb used to hold the AP/GO beacon template
- * @smps_requests: the requests of of differents parts of the driver, regard
-	the desired smps mode.
+ * @smps_requests: the SMPS requests of differents parts of the driver,
+ *	combined on update to yield the overall request to mac80211.
  */
 struct iwl_mvm_vif {
 	u16 id;