| Mark |
Meaning |
| Agr |
Agreement error: subject/verb or pronoun/antecedent |
| Awk |
Awkward construction or phrasing |
| CS |
Comma splice (the writer has incorrectly put two main clauses/sentences together with only a comma) |
| EX |
Examples: the writer needs to provide examples |
| Frag |
Sentence fragment |
| Mod |
Modifier: the writer has a misplaced or dangling modifier |
| P |
Punctuation error |
| Pass |
Ineffective use of passive voice |
| PL |
Faulty parallelism: construction is not parallel (// symbol can also be used to indicate this fault) |
| RO |
Run on sentence |
| Sp |
Spelling error |
| T |
Tense: the writer has used the wrong tense or has tense shifts |
| Trans |
Transition: the writer needs transitions between paragraphs or ideas |
| TS |
Topic sentence or thesis statement: the editor recognizes a problem with the TS, or one does not exist |
| US |
Usage: The writer has made an error in language usage (see commonly mixed pairs) |
| WC |
Word choice: the editor questions the use of a particular word for style or appropriateness |