[docgen] Update docs

Author: github-actions

doc/orgmode.txt

@@ -634,9 +634,9 @@ org_agenda_custom_commands                *orgmode-org_agenda_custom_commands*
 - Type: `table<string, OrgAgendaCustomCommand>`
 - Default: `{}`
 
-Define custom agenda views that are available through the
-(org_agenda)[#org_agenda] mapping. It is possible to combine multiple agenda
-types into single view. An example:
+Define custom agenda views that are available through the |orgmode-org_agenda|
+mapping. It is possible to combine multiple agenda types into single view. An
+example:
 
 >lua
     require('orgmode').setup({