Work

assignment -> indexing

Exercise3.md

@@ -99,7 +99,7 @@ For example:
 Here:
 
 - `<update-kind>` It represents the type non-null variable.
-  - if the variable is used as an index in array assignment print `NI`.
+  - if the variable is used as an index in array indexing, print `NI`.
   - if the variable is an array used in array indexing, print `NA`.
   - if you are trying to access the field of an object that is null, print `NO`.
   - Otherwise, print `N`