Merge pull request #7244 from oliver-sanders/linkcheck++

linkcheck fix

Author: wxtim

cylc/flow/cfgspec/globalcfg.py

@@ -1000,7 +1000,7 @@ def default_for(
                 beyond which Cylc will not attempt to start new schedulers on
                 a host.
 
-                .. _psutil: https://psutil.readthedocs.io/en/latest/
+                .. _psutil: https://psutil.readthedocs.io/
 
                 This should be a multiline string containing Python expressions
                 to rank and/or filter hosts. All `psutil`_ attributes are