Changing a Project Name

When you hover the mouse cursor over the project name, the background colour of the project name will change.
By clicking it, you can enter the project name.
After entering, press the green check button to change the project name.

Registering a Category

When you point to the category name next to the 'Category:' field, the background colour of the category name will change.
By clicking it, you can select the project category.
After selecting, press the green check button to register the category.