Update mt.py

Author: kujaku11

mtpy/core/mt.py

@@ -215,7 +215,9 @@ def rotate(self, theta_r, inplace=True):
             self._rotation_angle += theta_r
 
             self.logger.info(
-                f"Rotated transfer function by: {self._rotation_angle:.3f} degrees clockwise"
+                f"Rotated transfer function by: {self._rotation_angle:.3f} "
+                "degrees clockwise in reference frame "
+                f"{self.coordinate_reference_frame}."
             )
         else:
             new_m = self.clone_empty()