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-rw-r--r--doc/lua_api.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index d2ab9de29..26d8a3d91 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -5074,9 +5074,10 @@ This is basically a reference to a C++ `ServerActiveObject`
* `acc` is a vector
* `get_acceleration()`: returns the acceleration, a vector
* `set_rotation(rot)`
- * `rot` is a vector (radians)
-* `get_rotation()` : returns the rotation, a vector (radians)
-* `set_yaw(radians)`
+ * `rot` is a vector (radians). X is pitch (elevation), Y is yaw (heading)
+ and Z is roll (bank).
+* `get_rotation()`: returns the rotation, a vector (radians)
+* `set_yaw(radians)`: sets the yaw (heading).
* `get_yaw()`: returns number in radians
* `set_texture_mod(mod)`
* `get_texture_mod()` returns current texture modifier