Apply suggestions from code review

Co-authored-by: Johan Torin <jtorin@users.noreply.github.com>

script/Readme.md

@@ -5,7 +5,7 @@ This folder is intended for various scripts used during the OTP development. The
 
 If you want to submit your own scripts, you need to include:
  - A header at the beginning of the script stating who the owner is.
- - The scrip should print some usage documentation if invoked with `--help` and `-h`.
+ - The script should print some usage documentation if invoked with `--help` and `-h`.
 
 The regular pull-request approval process is required for submitting new scripts and changing 
 existing one. The reviewers are responsible for:

script/run-and-test-otp

@@ -36,10 +36,13 @@ if [ "$1" == "-h" ]  || [ "$1" == "--help" ]; then
   echo "  4. Test the response, search for a unexpected token. If the token is"
   echo "     NOT present the test is GOOD, if not it is BAD"
   echo ""
-  echo "You need to edit the following variables in the beginning of the script:"
+  echo "Before using this script you should copy it to a folder which is NOT"
+  echo "under version control and then edit it. You must provide a query, a test and the"
+  echo "path to the otp data root directory with the OTP configuration files. You need to"
+  echo "edit the following variables in the beginning of the script:"
   echo "  - QUERY - the HTTP URL query to call using curl"
   echo "  - SEARCH_FOR - The string token to search for - if it is present the test FAILS!"
-  echo "  - DATA_DIR - File catalog where the the OTP config files is (build-config.json & router-config.json)"
+  echo "  - DATA_DIR - File catalog where the OTP config files is (build-config.json & router-config.json)"
   echo ""
   echo "This script is intended used together with 'git bisect' (binary search for good and bad"
   echo "commits), but it works well with manual changes in the code as well. When you have found"