diff --git a/ArduSub/Parameters.cpp b/ArduSub/Parameters.cpp
index 1fb4b65f3a..c57040f37d 100644
--- a/ArduSub/Parameters.cpp
+++ b/ArduSub/Parameters.cpp
@@ -213,6 +213,7 @@ const AP_Param::Info Sub::var_info[] = {
     // @DisplayName: Angle Max
     // @Description: Maximum lean angle in all flight modes
     // @Units: cdeg
+    // @Increment: 10
     // @Range: 1000 8000
     // @User: Advanced
     ASCALAR(angle_max, "ANGLE_MAX",                 DEFAULT_ANGLE_MAX),