diff --git a/libraries/AP_GPS/AP_GPS.cpp b/libraries/AP_GPS/AP_GPS.cpp
index 60e3246eb4..7423eddc85 100644
--- a/libraries/AP_GPS/AP_GPS.cpp
+++ b/libraries/AP_GPS/AP_GPS.cpp
@@ -161,7 +161,7 @@ const AP_Param::GroupInfo AP_GPS::var_info[] = {
     // @DisplayName: GNSS system configuration
     // @Description: Bitmask for what GNSS system to use on the first GPS (all unchecked or zero to leave GPS as configured)
     // @Values: 0:Leave as currently configured, 1:GPS-NoSBAS, 3:GPS+SBAS, 4:Galileo-NoSBAS, 6:Galileo+SBAS, 8:Beidou, 51:GPS+IMES+QZSS+SBAS (Japan Only), 64:GLONASS, 66:GLONASS+SBAS, 67:GPS+GLONASS+SBAS
-    // @Bitmask: 0:GPS,1:SBAS,2:Galileo,3:Beidou,4:IMES,5:QZSS,6:GLOSNASS
+    // @Bitmask: 0:GPS,1:SBAS,2:Galileo,3:Beidou,4:IMES,5:QZSS,6:GLONASS
     // @User: Advanced
     AP_GROUPINFO("_GNSS_MODE", 10, AP_GPS, _gnss_mode[0], 0),
 
@@ -177,7 +177,7 @@ const AP_Param::GroupInfo AP_GPS::var_info[] = {
     // @DisplayName: GNSS system configuration
     // @Description: Bitmask for what GNSS system to use on the second GPS (all unchecked or zero to leave GPS as configured)
     // @Values: 0:Leave as currently configured, 1:GPS-NoSBAS, 3:GPS+SBAS, 4:Galileo-NoSBAS, 6:Galileo+SBAS, 8:Beidou, 51:GPS+IMES+QZSS+SBAS (Japan Only), 64:GLONASS, 66:GLONASS+SBAS, 67:GPS+GLONASS+SBAS
-    // @Bitmask: 0:GPS,1:SBAS,2:Galileo,3:Beidou,4:IMES,5:QZSS,6:GLOSNASS
+    // @Bitmask: 0:GPS,1:SBAS,2:Galileo,3:Beidou,4:IMES,5:QZSS,6:GLONASS
     // @User: Advanced
     AP_GROUPINFO("_GNSS_MODE2", 12, AP_GPS, _gnss_mode[1], 0),
 #endif