Different period Name in the calendar of GL. Impact in FA

Helo People 

 I created the new calendar 2012 for General Ledger and erroneously, I wrote badly the Period Name, Instead of writing the name with capital letters I wrote with lower letters (ej ene-12 instead ENE-12), in spite of it, in the output  of calendar validation report there aren't  any violations, I tried to change it manually but I coudn´t because the calendary it´s in use. It was opened the new period and was created the new budget for 2012.

 Do you know the impact this can have on  FA

Regards

Juan Pablo