Editing Symbols and Abbreviations Abbreviation or Symbol Meaning sp spelling error c capital letter error - you might need to change to an uppercase or a lowercase letter instead p punctuation error – you might need to add, delete, or change the existing punctuation mark sing. singular - change the word to its singular form pl. plural - change the word to its plural form poss. possessive – change the word to a possessive form s-v subject-verb agreement error v, vt verb form or verb tense error art. article error – you might need to add/change an indefinite article or pronoun of some type (a, an, some) , add a definite article (the), add a demonstrative pronoun (this, that, these, those) , or remove an article adj., adv. adjective error; adverb error pro ref pronoun reference error – check to make sure that the pronoun form agrees with the noun it refers to in number (singular/plural) and person (1st, 2nd, 3rd) or that the pronoun is clearly referring to a previously specified noun ww, wc, wf wrong word, word choice is weak ( it might be slang or informal language or awkward for the context), or word form is wrong (for example, using an adjective when you need an adverb) X remove the letter or word ^ add a word / separate letters or words () move letters or words together abb. don’t use an abbreviation – write out the complete word or words frag. fragment – the sentence is incomplete because it is missing a subject, verb, or other grammatically or logically necessary part RO or // run-on – the sentence has a comma splice or fused clauses and needs to be separated into two different sentences with a period and capital letter, or the clauses need to be joined correctly by adding a conjunction and appropriate punctuation.