spec: remove extra underscore
spec: remove extra underscore

flag = none

Change-Id: I3fa52832ff4e6e719199d029bc9f4ab0f005e3e3
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/232529
Reviewed-by: Rex Fleischer <360d56e185853f069087eaa5288d1374fc56d750@instructure.com>
Reviewed-by: Ryan Taylor <2eafa1f6bf34395b543d6ca7f438461b0774d24f@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
QA-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>
Product-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>

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