Originally Posted by Cat Herder:
From experience: she will say it was part of the "TLC" on the boo-boo report. 
Similar to a kiss and a band-aid.
If she happened to forget to mention it to the afternoon teacher, it was an oversight. 
I have heard this excuse a time or two before, back in the day.
Oh, I'm sure!
I would have found it hard not to say something!