typo docs/readme

README.rst

@@ -64,7 +64,7 @@ Currently, the CI/CD pipeline tests the code on:
 
 The latest PyPI package is verified to install on Ubuntu, Debian and Arch Linux.
 
-If you have trouble installing Senpy in your platform, see `Having problems?`_.
+If you have trouble installing Senpy on your platform, see `Having problems?`_.
 
 Developing
 ----------

docs/installation.rst

@@ -32,7 +32,7 @@ Through PIP
       cd senpy
       pip install --user .
 
-Each version is automatically tested in GNU/Linux, macOS and Windows 10.
+Each version is automatically tested on GNU/Linux, macOS and Windows 10.
 If you have trouble with the installation, please file an `issue on GitHub <https://github.com/gsi-upm/senpy/issues>`_.