Confidence: It's likely to be this, but I can't be certain.
Notes: Wings held flat and overlapping. Forewing length about 8 mm, variably brown, with 2 dark spots/dashes at about one-third, more circular black spot at about two-thirds, some short dark dashes along termen. Antenna approx three-quarters of forewing length. Labial palps upwardly curved. Found indoors.