clean up using references

source/large.rst

@@ -12,7 +12,7 @@ Split-merge works in WebODM out of the box as long as the processing nodes suppo
 Calibrate images
 ----------------
 
-Image calibration is recommended (but not required) for large datasets because error propagation due to image distortion could cause a bowl effect on the models. Calibration instructions can be found at 	`Calibrate Images <using.html#calibrating-the-camera>`_.
+Image calibration is recommended (but not required) for large datasets because error propagation due to image distortion could cause a bowl effect on the models. Calibration instructions can be found at 	`Calibrate Images <tutorials.html#calibrating-the-camera>`_.
 
 .. figure:: images/msimbasi_bowling.png
    :alt: image of lens distortion effect on bowling of data

source/outputs.rst

@@ -39,7 +39,7 @@ Orthophoto
 DTM/DSM
 ^^^^^^^
 
-DTM/DSM will only be created if the ``--dtm`` or ``--dsm`` options are used. See `tutorial on elevation models <https://docs.opendronemap.org/using.html#creating-digital-elevation-models>`_ for more options in creating.
+DTM/DSM will only be created if the ``--dtm`` or ``--dsm`` options are used. See `tutorial on elevation models <https://docs.opendronemap.org/tutorials.html#creating-digital-elevation-models>`_ for more options in creating.
 
 Data will be stored in: