Follow these steps to rename a compute tag.
- In the left navigation menu, under General, click Compute Tags.
- On the Compute Tags page, under Existing Compute Tags, click the Actions men (...) next to the tag you want to rename.
- Select Rename.
Figure 1. Select Rename 
- In the Rename Compute Tag dialog box, enter a new Compute Tag name, and then click Update
Figure 2. Rename Compute Tag 