Auto-Multiple-Choice-Marking.md

@@ -10,6 +10,13 @@
 
 4. Right-click into the folder and select "Open in terminal"
 
-5. In terminal, run the command `find . -maxdepth 1 -type f -iname '*.pdf' -exec pdftoppm -jpeg {} {} \;`
+5. In terminal, run the command 
+ 
+    `find . -maxdepth 1 -type f -iname '*.pdf' -exec pdftoppm -jpeg {} {} \;`
+
+    This will extract all pages of the PDF files in the directory and convert them into an JPEG file. (The answer recognition will run more efficiently if executed on image rather than PDF files).
 
 6. Delete the original PDF files or move them out of the directory.
+
+## 2. Marking with the Auto Multiple Choice software
+