README update

README.md

@@ -69,7 +69,7 @@ Warning: Be sure **xpm** is not installed with administrative/root rights.
 
 #### xpm
 
-This source code library can be installed as a package from GitHub with:
+This source code library can be installed as a sub-folder of `xpacks` with:
 
 ```sh
 cd my-project
@@ -86,10 +86,9 @@ to a read-only instance of the package in the **xpm** central store.
 #### npm
 
 The package can also be installed with [npm](https://docs.npmjs.com)
-or related, but
-the features specific to C/C++ projects will not be available;
-therefore, at least for consistency reasons, it is recommended
-to use **xpm**.
+or related, but the content will end in the `node_modules` folder,
+along with JavaScript code;
+therefore it is recommended to install C/C++ packages via **xpm**.
 
 ### Add as a Git submodule