fix: Update location of tests script in CONTRIBUTING.md. Add missing period to help.out.

CONTRIBUTING.md

@@ -70,7 +70,7 @@ Before submitting a merge request (MR) on GitLab, ensure that you've run your te
 pass. This can be done by running the following two commands:
 
 ```sh
-cargo +nightly test --lib && bash examples/run_examples.sh
+cargo +nightly test --lib && bash tests/run_examples.sh
 ```
 
 ## Format your code

tests/help.out

 ion 1.0.0-alpha
 The fast, safe, modern rust shell. Ion is a commandline shell created to be a faster and easier to use alternative to
-the currently available shells. It is not POSIX compliant
+the currently available shells. It is not POSIX compliant.
 
 USAGE:
     ion [FLAGS] [OPTIONS] [args]...