diff --git a/README.md b/README.md
index 02e197b48e..951961f3f1 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@
 
 ### Dronecode.org ###
 
->>ArduPilot is part of Dronecode.org, a Linux Foundation collabortive project.  
+>>ArduPilot is part of Dronecode.org, a Linux Foundation collaborative project.
 
 >>Dronecode encompasses projects that control flight, enable mission planning, and otherwise make drone flight and advanced functionality possible.