Update src/python/NOTES.md

Author: AlvaroRausell

src/python/NOTES.md

@@ -5,7 +5,7 @@ This template references an image that was [pre-built](https://containers.dev/im
 
 ## Installing or updating Python utilities
 
-This container installs all Python development utilities using [pipx](https://pipxproject.github.io/pipx/) to avoid impacting the global Python environment. You can use this same utility add additional utilities in an isolated environment. For example :
+This container installs all Python development utilities using [pipx](https://pipxproject.github.io/pipx/) to avoid impacting the global Python environment. You can use this same utility add additional utilities in an isolated environment. For example:
 
 ```bash
 pipx install prospector