Sometimes we release the request from DEV system and then quality team come-up saying that there is need of change of the TR description.
Below program will save lots of your efforts to create transport of copy or copy all objects to new transport. Follow it and you will be sorted 
Program RDDIT076 is used to change the description of TR which is already released.
In development, system will give you two options after execution of program RDDIT076: (Provided you have SE38 authorization)
1. Enter your TR number. It will show all child and main request list.
2. Double click on each option.
3. Click on change button.
4. Change description.
5. SAVE
Best Regards,
Satish Karemore