Using-the-grading-file.md

@@ -8,7 +8,7 @@ You can distribute the `registration.csv` (after deleting the non-anonymous data
 
 ### Using AMC
 
-As an alternative you may wish to retain a machine readable list on which a grader marks the points given to a student by filling boxed. The AMC code (example) for this is as follows.
+As an alternative you may wish to retain a machine readable list on which a grader marks the points given to a student by filling boxes. The AMC code (example) for this is as follows.
 
 <details>
 <summary>AMC Example code for machine readable points during grading</summary>