README.md file has been updated.

README.md

@@ -96,8 +96,8 @@ In case you already pulled the main repository and forgot to include submodule u
 
 ## Installing Vivado
 
-Instruction for installing **Vivado** and **Docker** can be found in the **docker_for_vivado** submodule.
+Instruction for installing **Vivado** and **Docker** can be found in the [docker_for_vivado](./docker_for_vivado) submodule.
 
 ## Files for the Scalp board
 
-The files and instructions for the **Scalp board** are in the **scalp_board_files** submodule.
+The files and instructions for the **Scalp board** are in the [scalp_board_files](./scalp_board_files) submodule.