Object removal brush in Guided Edits is not round

[Fred 23]

The object removal brush in Guided Edits was initially round.  But now it  is irregularly shaped, with zig-zag lines, like a rectangular amoeba.  How can I get the brush to be round again?  

[Greg_S. · Accepted solution]

Click on the Tool Options button in the lower left of the Guided Edit.  This will allow you to access the Brush options and you can choose a more appropriate brush.

[Fred 23]

Yep, that did it. Thank you very much.