COMMON CORRECTION SYMBOLS

ad            misuse of adjective or adverb om or wd  omitted word or needed word
agr          faulty agreement p               error in punctuation
appr        inappropriate language , or no ,    comma error
awk        awkward construction ; or no ;   semicolon error
cap          capital letter needed or not needed : or no :   colon error
case        error in case apos        apostrophe error 
coh          coherence (unclear) ¶              new paragraph
coord       faulty coordination pass        passive construction--use active voice
cs            comma splice pro ref    error in pronoun reference
dev           inadequate development sp            spelling error
frag        fragment t               verb tense error
fused      fused sentence trans      wrong transition or transition needed
ESL        ESL trouble spot var          lack of variety in sentence structure
hyph       hyphen error vb           verb error
ital         italics or underlining w            wordy
mood     mood (verb form) error //            faulty parallelism
usage    nonstandard usage ^             insert
num      error in use of numbers x            obvious error or extensive sentence structure error
ww         wrong word vague    vague language
red or rep redundant or repetitious ex          examples needed
int         introduce or integrate direct quotation form      MLA formatting guidelines 
col        colloquialism reg        register or level of formality
thesis   no thesis or thesis needs revision wp         careless word-processing error
wc         poor word choice =           close space
#           insert space √           especially good here
doc       documentation error  √ √       you are brilliant