The capital of Trinidad and Tobago misses an i.
the capital of Tanzania is officially dodoma now (still got it though).
the capital of ivory coast is now officially yamoussoukro, thereby, it was abidjan, not adibjan.
it is Philippines and the capital is with one L.
the capital of kyrgyzstan misses an H between the s and k.
the capital of estonia is spelled with a double L.
You might also think about accepting other spellings such as ulaanbaatar for mongolia