Question

fix any punctuation or capitalization errors below. click \submit answer\ if there are none.
this is my concern: the dog may get lonely without wally wests company.

Explanation:

The sentence "This is my concern: the dog may get lonely without Wally West's company." has correct punctuation (a colon to introduce the concern and a period at the end) and capitalization (proper noun "Wally West" is capitalized, and the start of the sentence is capitalized). So no changes are needed.

Answer:

This is my concern: the dog may get lonely without Wally West's company.