revert formats

Author: PatrickFarley

articles/cognitive-services/Computer-vision/concept-model-customization.md

@@ -44,7 +44,7 @@ In order to train your model effectively, use images with visual variety. Select
 
 Additionally, make sure all of your training images meet the following criteria:
 
-- The image must be presented in .jpg, .jpeg, .png, .jpe, .jfif, .bmp, .tif, .tiff, .dcm, or .dicom format.
+- The image must be presented in JPEG, PNG, GIF, BMP, WEBP, ICO, TIFF, or MPO format.
 - The file size of the image must be less than 20 megabytes (MB).
 - The dimensions of the image must be greater than 50 x 50 pixels and less than 16,000 x 16,000 pixels.