Update README.md

README.md

@@ -28,8 +28,8 @@ A **readme.md** file is also included with project information.
 
 ## Field Description
 The descriptions of the fields are as follows:
-- **image**: A string that represents the image in base64 format.
-- **description**: A string containing a concise description of the scene depicted in the image.
+- **image**: A string that represents the filename of the image listed in the "image" folder
+- **caption**: A string containing a concise description of the scene depicted in the image.
 - **Location**: A string specifying the original location where the image was taken or what it represents.
 - **category**: A string indicating the category to which the image belongs.