diff --git a/docs/operations/taking-data.md b/docs/operations/taking-data.md
index 7e9373021f1636000d7a519ddb7134f6f71e8f23..409820f6942eb393d1a115422adcb966247c5f69 100644
--- a/docs/operations/taking-data.md
+++ b/docs/operations/taking-data.md
@@ -16,7 +16,7 @@ From the RCMS interface, click on "Initialize" and "Connect".
 
 Consider that usually S-bits scans are taken without HV amplification to investigate the noise level in the detector, so you might need to take action with the DCS on the HV settings.
 
-Open the [xDAQ](http://srv-s2g18-33-01.cms:20100/urn:xdaq-application:service=calibration) calibration suite. In case the calibration suite page was already opened before, reload the page manually.
+Open the [xDAQ](http://srv-s2g18-33-01.cms:20400/urn:xdaq-application:service=calibration) calibration suite. In case the calibration suite page was already opened before, reload the page manually.
 
 From the dropdown menu, select the calibration type "S-bit ARM DAC scan", then  set the number of iterations in the "Iterations" text box to 6 and leave all the other parameters to their default values. Click on "Apply settings".