AP_Airspeed: review updates

Co-authored-by: Peter Barker <pb-gh@barker.dropbear.id.au>

libraries/AP_Airspeed/AP_Airspeed.cpp

@@ -167,8 +167,8 @@ const AP_Param::GroupInfo AP_Airspeed::var_info[] = {
 #ifndef HAL_BUILD_AP_PERIPH
     // @Param: _OPTIONS
     // @DisplayName: Airspeed options bitmask
-    // @Description: Bitmask of options to use with airspeed. Disable and/or re-enable sensor based on the difference between airspeed and ground speed based on ARSPD_WIND_MAX threshold, if set
-    // @Bitmask: 0:Disable sensor, 1:Re-enable sensor, 2:DisableVoltageCorrection
+    // @Description: Bitmask of options to use with airspeed. 0:Disable use based on airspeed/groundspeed mismatch (see ARSPD_WIND_MAX), 1:Automatically reenable use based on airspeed/groundspeed mismatch recovery (see ARSPD_WIND_MAX) 2:Disable voltage correction
+    // @Bitmask: 0:SpeedMismatchDisable, 1:AllowSpeedMismatchRecovery, 2:DisableVoltageCorrection
     // @User: Advanced
     AP_GROUPINFO("_OPTIONS", 21, AP_Airspeed, _options, OPTIONS_DEFAULT),
 

libraries/AP_Airspeed/AP_Airspeed_MS4525.cpp

@@ -59,7 +59,7 @@ bool AP_Airspeed_MS4525::probe(uint8_t bus, uint8_t address)
 // probe and initialise the sensor
 bool AP_Airspeed_MS4525::init()
 {
-    const uint8_t addresses[] = { MS4525D0_I2C_ADDR1, MS4525D0_I2C_ADDR2, MS4525D0_I2C_ADDR3 };
+    static const uint8_t addresses[] = { MS4525D0_I2C_ADDR1, MS4525D0_I2C_ADDR2, MS4525D0_I2C_ADDR3 };
     if (bus_is_confgured()) {
         // the user has configured a specific bus
         for (uint8_t addr : addresses) {