diff --git a/libraries/AP_Baro/AP_Baro.cpp b/libraries/AP_Baro/AP_Baro.cpp
index 38f7789df0..27be240f05 100644
--- a/libraries/AP_Baro/AP_Baro.cpp
+++ b/libraries/AP_Baro/AP_Baro.cpp
@@ -375,7 +375,7 @@ void AP_Baro::update(void)
 }
 
 /*
-  call accululate on all drivers
+  call accumulate on all drivers
  */
 void AP_Baro::accumulate(void)
 {