You can edit streams that you have update rights to.
Do the following:
Open the QMC: https://<QPS server name>/qmc
Select Streams on the QMC start page or from the Start drop-down menu to display the overview.
Select the streams that you want to edit.Click Edit in the action bar.
Edit the properties.
Identification properties Property Description Name The name of the stream. Owner The owner of the stream. This property does not exist until the stream is created.
Tags properties Property Description TagsTip: If no tags are available, this property group is empty.
Connected tags are displayed under the text box.
Custom propertiesNote: If no custom properties are available, this property group is not displayed at all (or displayed but empty) and you must make a custom property available for this resource type before it will be displayed here.
Click Apply in the action bar to apply and save changes.
Successfully updated is displayed at the bottom of the page.