diff --git a/libraries/AP_CANManager/README.md b/libraries/AP_CANManager/README.md
index dcb509e844e..665e59b49be 100644
--- a/libraries/AP_CANManager/README.md
+++ b/libraries/AP_CANManager/README.md
@@ -1,6 +1,6 @@
 # Testing And Debugging
 
-**Testing under SITL**
+## Testing under SITL
 
 A wide range of DroneCAN peripherals are supported in the SITL
 simulation system. The simplest way of starting a DroneCAN enabled