Update README.md

README.md

@@ -14,10 +14,11 @@ This dataset contains images of birds that can be found in Poland (according to
 
 #### Fetching
 The images were fetched from iNaturalist API (the photos have variouc cc licences, individal credits can be found in the `metadata.jsonl` file).
-
 Only observations from Europe were considered (there was too little observations in Poland).
 
-#### Preprocessing
+For each species 600 photos were fetched (or in some cases, all available), some of them might have been filtered in the processing phase, so number of images per class varies. 
+
+#### Processing
 
 The photos were run through a Faster R-CNN network, to detect bird bboxes and scaled to 224x224.