fix: update Information Security with HelmetJS text (#47052)

* fix: update helmet text

* fix: update bcrypt text

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/install-and-require-helmet.md

@@ -22,7 +22,7 @@ Helmet helps you secure your Express apps by setting various HTTP headers.
 
 All your code for these lessons goes in the `myApp.js` file between the lines of code we have started you off with. Do not change or delete the code we have added for you.
 
-Install Helmet version `3.21.3`, then require it. You can install a specific version of a package with `npm install --save-exact package@version`, or by adding it to your `package.json` directly.
+Helmet version `3.21.3` has already been installed, so require it as `helmet` in `myApp.js`.
 
 # --hints--
 

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/understand-bcrypt-hashes.md

@@ -16,10 +16,10 @@ BCrypt hashes will always looks like `$2a$13$ZyprE5MRw2Q3WpNOGZWGbeG7ADUre1Q8QO.
 
 # --instructions--
 
-To begin using BCrypt, add it as a dependency in your project and require it as 'bcrypt' in your server.
-
 Add all your code for these lessons in the `server.js` file between the code we have started you off with. Do not change or delete the code we have added for you.
 
+BCrypt has already been added as a dependency, so require it ad `bcrypt` in your server.
+
 Submit your page when you think you've got it right.
 
 # --hints--