Update README.md

README.md

@@ -22,7 +22,7 @@ This project should be directly added as package to a Unity project. This can ei
 
 The second variant is recommended. It has been available since Unity 2020.
 
-When cloning the package into the `Packages` folder of a Unity project which itself is a git project, then the package should be reference as git submodule. How this is done is documented in the https://git-scm.com/book/en/v2/Git-Tools-Submodules. An example project provided by the ISG ARF using this approach is available at https://labs.etsi.org/rep/arf/world-storage-api-helpers/unity-world-storage-editor.
+When cloning the package into the `Packages` folder of a Unity project which itself is a git project, then the package should be referenced as git submodule. How this is done is documented in the https://git-scm.com/book/en/v2/Git-Tools-Submodules. An example project provided by the ISG ARF using this approach is available at https://labs.etsi.org/rep/arf/world-storage-api-helpers/unity-world-storage-editor.
 
 # How to update the client DLLs