Yes that's right. Is it $400 now?
The Standard Deduction for an individual for whom an exemption can be claimed on another person's tax return is limited to the greater of:
…..$1,100 or
…..Your earned income for the year + $350 (but not more than 12,950)
So you would get a minimum of $1,100.
See Table 8 Standard Deduction worksheet for Dependents on Page 25
https://www.irs.gov/pub/irs-pdf/p501.pdf
Or the 1040 worksheet on page 32
https://www.irs.gov/pub/irs-pdf/i1040gi.pdf
