--- a/docs/data_processing/uploading_ancillary.rst	Thu Mar 13 12:11:56 2014 +0200
+++ b/docs/data_processing/uploading_ancillary.rst	Thu Mar 13 15:51:48 2014 +0200
@@ -94,6 +94,8 @@
 name of the file.
 
 
+.. _ancillary_details:
+ 
 View ancillary file details
 ---------------------------
 
@@ -113,7 +115,9 @@
    This indicates the interpolation type that will be used on the content of 
    the ancillary file. You can change the interpolation type in the admin 
    section following the "Edit in admin" link in the File actions sub menu.
-   If no value is selected a "Natural Cubic Spline" algorithm will be used.
+   The algorithms currently implemented are "Linear interpolation" and 
+   "Natural Cubic Spline". If no value is selected the natural cubic spline 
+   algorithm will be used.
     
 Station
    The EARLINET station that is the related to this ancillary file