Make help description of rescue/unrescue more useful

The docstring was not helping users in understanding
what the command does.

Change-Id: I858a43157c582067992cb80080ed440d6aba3ac3
Add mailmap entry

Add mailmap entry for my email address

Change-Id: Ia46c28c86ef3f440556b1b027d2bf0a7f3e721c5
Merge "Add mailmap entry"
Merge "Make help description of rescue/unrescue more useful"