| Short Annotation | Long Annotation | Category | Value | Type |
| article | ARTICLE - you have made a mistake with the use of the article ( ie a, an, the or zero) with a noun or noun phrase. First check that you know whether the noun is countable or uncountable, and singular or plural | Language | 1 | Negative |
| capitalisation problem | CAPITALISATION PROBLEM - you have mixed up lower and upper case spelling. | Form | 1 | Negative |
| Excellent! | Excellent! Well done. | Form | 1 | Positive |
| formatting problem | FORMATTING PROBLEM - you have chosen an inappropriate format for your word, phrase or sentence. | Form | 1 | Negative |
| Good! | Good! | Language | 1 | Positive |
| logical links | LOGICAL LINKS - reconsider your logical connection. | Content | 1 | Negative |
| marker / connective | MARKER/CONNECTIVE - you may have used the wrong one, or not used one where it is needed, or used one incorrectly | Language | 1 | Negative |
| not the best choice - improve | NOT THE BEST CHOICE - your meaning is clear but this is not a good way, or not the best way, to express it. This may relate to one word, or a phrase or a whole sentence. You may need to change the syntax or the vocabulary or both. | Language | 1 | Negative |
| number of noun | NUMBER OF NOUN - you have put a word in the singular when it should be plural, or vice versa. Or perhaps the noun is countable and you thought it was uncountable, or vice versa. Check that you have used the right article, as well. | Language | 1 | Negative |
| paragraph | PARAGRAPH - your paragraph is not well constructed. For example, it may be too long or too short. It may have too many controlling ideas, or it may need a controlling idea. There may not be supporting sentences, or they may not relate well to the controlling idea. Or the ideas may not be in an acceptable order. | Language | 1 | Negative |
| phrase construction | PHRASE CONSTRUCTION - you have used the wrong construction after the verb/noun/adjective/adverb; for example, you might have used 'to' instead of 'that', or an '-ing' form instead of 'to' etc | Language | 1 | Negative |
| preposition | PREPOSITION - you have used the wrong preposition, or the preposition is missing, or you don't need a preposition | Language | 1 | Negative |
| punctuation | PUNCTUATION - punctuation mistake. For example, you may have used a comma when it is not necessary, or a capital letter is required. | Language | 1 | Negative |
| reference | REFERENCE - you have made a mistake in how you refer to something previously mentioned. You may have used the wrong word to do this; or it may not be clear what you are referring to, or the referent (= the thing you are referring to) may be too far away; or a pronoun is needed | Language | 1 | Negative |
| relative pronoun | RELATIVE PRONOUN - you have used the wrong relative pronoun form (who, which, that, where, whose, preposition + who/which, zero relative); or you have used it incorrectly; or a relative pronoun is needed. | Language | 1 | Negative |
| repetition | REPETITION - you have used the same words or phrases to close to each other, resulting in poor style. Find a substitute. | Language | 1 | Negative |
| sentence error - comma splice | SENTENCE ERROR: COMMA SPLICE - you have incorrectly joined two main (or independent) clauses with a comma. You need to make two separate sentences, or use a different connective or marker to join the clauses. | Language | 1 | Negative |
| sentence error: incomplete sentence | SENTENCE ERROR: INCOMPLETE SENTENCE - there is no main verb. Check whether you have used the wrong kind of logical marker at the beginning of your 'sentence'. | Language | 1 | Negative |
| sentence error: run-on sentence | SENTENCE ERROR: RUN-ON SENTENCE - your 'sentence' consists of two main clauses not properly connected. You may need to put in a full stop to make two separate sentences | Language | 1 | Negative |
| sentence too long | SENTENCE TOO LONG - your sentence needs to be made into several shorter ones. | Language | 1 | Negative |
| space problem | SPACE PROBLEM - you have put a space where there should not be any, or a space is missing. | Form | 1 | Negative |
| spelling | SPELLING - the word is wrongly spelled. | Language | 1 | Negative |
| unclear | UNCLEAR - the reader does not understand what you are trying to say here | Language | 1 | Negative |
| verb form | VERB FORM - you have used the wrong form of the verb. For example, singular instead of plural, infinitive instead of -ing, wrong auxiliary, passive instead of active or vice versa, etc. | Language | 1 | Negative |
| verb tense | VERB TENSE - you have put the verb in the wrong tense eg present instead of future, or continuous instead of simple. | Language | 1 | Negative |
| vocabulary mistake | VOCABULARY MISTAKE - you have used the wrong word. Check in the dictionary. | Language | 1 | Negative |
| word form | WORD FORM - you used a word in the wrong form. For example, you have used the adjective form when you should have used the noun form, or adverb instead of adjective etc. | Language | 1 | Negative |
| word order | WORD ORDER - you have written a group of words in the wrong order. Re-arrange. | Language | 1 | Negative |
| Yes! | Yes! I agree. | Content | 1 | Positive |