Merge branch 'docs-typo-chronos' into 'master'

Fix typo

See merge request !246

docs/admin/10_managing_data.rst

 Managing timetable and substitution data
 ========================================
 
-Currently, CHronos does not provide an interface for
+Currently, Chronos does not provide an interface for
 interactively managing timetable data.
 
 Instead, data is imported from an external source. The