System Information
Operating system and graphics card

Mac 10.7.5
NVIDIA GeForce GT 330M 512 MB

Blender Version
Broken: Blender 2.69 r60991

Short description of error
Changing name of 'From' bone of UV warp modifier doesn't update in Modifier

Exact steps for others to reproduce the error

Add UV warp modifier to default cube
Add Armature with single bone
In modifer settings, select armature and bone in 'From' field of modifier
Select armature and enter edit or pose mode
change name of bone

--> no longer corresponds with entry in modifier field.