Slight fixes to validation messages.  Bug 946.
Slight fixes to validation messages.  Bug 946.

Change-Id: Ia03e70ecb472a4843ced02464914247a7d3e0471
[76658a2722cfc360b68a81107f0c193549bc08f4@tut.by: fixed minor typo]
Signed-off-by: Aliaksey Kandratsenka <76658a2722cfc360b68a81107f0c193549bc08f4@tut.by>
Reviewed-on: https://review.northscale.com:8443/1247
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Tested-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>

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