Turn off the Ruler.

View - Ruler and turn it off.

"jcoady" wrote in message
...
Suddenly the corners of my Word document margins are marked with an "L"
shaped mark in the upper right hand corner. Other corners have a
variation
of an "L" shape (i.e. upper left is a backwards "L"). I did not purposely
bring these into view and cannot find a command to make them disappear.