Update README.md (#196)

correcting grammar in homepage

README.md

@@ -1,16 +1,16 @@
 # cad-libraries
-In this repository we store the CAD libraries and the PTC Creo configuration files.   
-You have to use it to work with all iCub-tech CAD project.  
+In this repository, we store the CAD libraries and the PTC Creo configuration files.   
+You have to use it to work with all iCub-tech CAD projects.  
 
 Please read the following rules before using the repository.
 
 ## Rules
-- Changes for ` non-binary` files in this repository must be requested through [pull requests](https://docs.github.com/en/github/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-pull-requests) from **personal** [forks](https://docs.github.com/en/get-started/quickstart/fork-a-repo).
-- In order to modify the libraries it's mandatory to open a dedicated [issue request](https://github.com/icub-tech-iit/cad-libraries/issues/new/choose). Here a list of all requests that can be opened:
+- Changes for `non-binary` files in this repository must be requested through [pull requests](https://docs.github.com/en/github/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-pull-requests) from **personal** [forks](https://docs.github.com/en/get-started/quickstart/fork-a-repo).
+- To modify the libraries it's mandatory to open a dedicated [issue request](https://github.com/icub-tech-iit/cad-libraries/issues/new/choose). Here is a list of all requests that can be opened:
   - **Edit library component**: open this issue to modify one library component.
-  - **New commercial ECAD component**: open this issue to create a new library item of an electrical component.
+  - **New commercial ECAD component**: Open this issue to create a new library item for an electrical component.
   - **New generic CAD component**: open this issue to create a new generic library item (i.e. not electrical).
-- All CAD parts must be saved with `COMMERCIAL` license.
+- All CAD parts must be saved with a `COMMERCIAL` license.
 - It's forbidden to commit parts subject to copyright or MBO.
 
 ## 👨🏻‍💻 Maintainers