Closes #12831: Include circuit description in cable trace SVG image

Author: jeremystretch

docs/release-notes/version-3.6.md

@@ -4,6 +4,7 @@
 
 ### Enhancements
 
+* [#12831](https://github.com/netbox-community/netbox/issues/12831) - Include circuit description in cable trace SVG image
 * [#13950](https://github.com/netbox-community/netbox/issues/13950) - Display custom choice field labels rather than values in UI
 
 ### Bug Fixes

netbox/dcim/svg/cables.py

@@ -160,6 +160,8 @@ def _get_labels(cls, instance):
         elif instance._meta.model_name == 'circuit':
             labels[0] = f'Circuit {instance}'
             labels.append(instance.provider)
+            if instance.description:
+                labels.append(instance.description)
         elif instance._meta.model_name == 'circuittermination':
             if instance.xconnect_id:
                 labels.append(f'{instance.xconnect_id}')