nl80211: add documentation for HT/VHT/HE disable attributes

These were missed earlier, add the necessary documentation
and, while at it, clarify it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20210212105023.895c3389f063.I46dea3bfc64385bc6f600c50d294007510994f8f@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

include/uapi/linux/nl80211.h

@@ -1963,8 +1963,15 @@ enum nl80211_commands {
  * @NL80211_ATTR_PROBE_RESP: Probe Response template data. Contains the entire
  *	probe-response frame. The DA field in the 802.11 header is zero-ed out,
  *	to be filled by the FW.
- * @NL80211_ATTR_DISABLE_HT:  Force HT capable interfaces to disable
- *      this feature.  Currently, only supported in mac80211 drivers.
+ * @NL80211_ATTR_DISABLE_HT: Force HT capable interfaces to disable
+ *      this feature during association. This is a flag attribute.
+ *	Currently only supported in mac80211 drivers.
+ * @NL80211_ATTR_DISABLE_VHT: Force VHT capable interfaces to disable
+ *      this feature during association. This is a flag attribute.
+ *	Currently only supported in mac80211 drivers.
+ * @NL80211_ATTR_DISABLE_HE: Force HE capable interfaces to disable
+ *      this feature during association. This is a flag attribute.
+ *	Currently only supported in mac80211 drivers.
  * @NL80211_ATTR_HT_CAPABILITY_MASK: Specify which bits of the
  *      ATTR_HT_CAPABILITY to which attention should be paid.
  *      Currently, only mac80211 NICs support this feature.