Fix typos in comments.
Fix typos in comments.

Change-Id: I5b97d12171020dab1379d4f7e78cab7de4a779df

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core