Update README to clarify directory content (#7658)

Author: rashmivanneladas-arch

README.md

@@ -17,4 +17,4 @@ These implementations are intended for learning purposes. As such, they may be l
 Please read our [Contribution Guidelines](CONTRIBUTING.md) before you contribute to this project.
 
 ## Algorithms
-Our [directory](DIRECTORY.md) has the full list of applications.
+Our [directory](DIRECTORY.md) contains the full list of algorithms implemented in Java.