updated README

README.md

@@ -30,18 +30,18 @@ In Noisy Ground Truth - Missing Words, each variation column is affected by the
 The dataset is composed of the following columns:
 
 - `gold`: the original text
-- `source`: identify the original work from which the text was extracted
+- `source`: identifies the original work from which the text was extracted
   - ex: "sido-colette" means that the text was extracted from Colette's *Sido* (or *Les Vignes*)
 - `MW-F`: the first word is missing
 - `MW-L`: the last word is missing
 - `MW-50`: half of the words are missing, chosen randomly
 - `MW-50-L`: half of the words are missing, chosen from the end of the text
 - `MW-1`: one word is missing, chosen randomly
-- `MW-1-POS`: position of the missing word
+- `MW-1-POS`: position of the missing word in MW-1
 - `n_line`: number identifying the line in page # `n_page`
 - `n_page`: number identifying the page (the page changes every 25 lines)
 - `split`: split between train, validation and test (applied at page level)
-- `im_path`: path to the image file generated with TextRecognitionDataGenerator (kept for reference)
+- `im`: synthetic text line image
 
 ## Dataset Card Contact