diff --git a/subjects/java/checkpoints/config-protector/README.md b/subjects/java/checkpoints/config-protector/README.md
index 2e4d91901..e752a74bb 100644
--- a/subjects/java/checkpoints/config-protector/README.md
+++ b/subjects/java/checkpoints/config-protector/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Create a class `ConfigProtector` that provides a method to hide sensitive data in a configuration file using `Regex`. The method should replace sensitive values with asterisks. The configuration file will be provided as a string, and the keys for the sensitive data will be given in a list.
+Create a class `ConfigProtector` that provides a method to hide sensitive data in a configuration file using `Regex`. The method should replace sensitive values with asterisks. The configuration file will be provided as a `String`, and the keys for the sensitive data will be given in a `List`.
 
 The config file format will always be as follows: