Modify saved search criteria

Go to My Matrix>Saved Searches. 

1. Click on the subject line of the search you want to change.
   
   
2. Click the Criteria button- that opens the search screen and displays the current search criteria. 

Modify the search as needed and click Save when you're done:

You will then be brought to a screen that shows you the details of the saved search, including the updated search criteria.  There is a second Save button that you must click on:

You will get a confirmation in the upper left corner of Matrix: