Click Zoom to Area 
(View toolbar), zoom to the flange, and press Enter
to release the tool.
Box select the note and leader as shown, then press Delete.
Next, delete the old note and insert a new note for the new circular pattern.
Click Zoom to Area (View toolbar), zoom to the flange, and press Enter
to release the tool.
Box select the note and leader as shown, then press Delete.
Click Note
(Annotation
toolbar).
Move the pointer toward the hole circle. As you move over items in the drawing, the pointer changes.
When the pointer is over the circle, it changes
to 
indicating that you are inferencing
it.
Click on the circle to place the note leader, then click a blank area in the drawing sheet to place the note.
