Fix day matching issue
Fix day matching issue

Only the first 2 letters were matched before this commit.
This made 'mo' conveniently match 'Monday'
but 'mother' matched, too.

Signed-off-by: Tillmann Karras <28ed73209cf4ae5252aebcefd0036a7597a64897@gmail.com>

gwater/rlo-plan,gwater/rlo-plan