Apply suggestions from code review

Co-authored-by: Victor Goff <[email protected]>

Author: SleeplessByte

concepts/strings/about.md

@@ -31,7 +31,7 @@ You can find all the methods in the [MDN docs][mdn-docs].
 
 ## String interpolation
 
-Strings in JavaScript support interpolation using [string template literals][mdn-template-strings].
+Strings in JavaScript support concatenation using [`+` and slight variations][https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#long_literal_strings] and interpolation using [string template literals][mdn-template-strings].
 
 ```javascript
 const NUMBER_OF_CATS = 4;
@@ -44,7 +44,4 @@ const interpolation = `I have ${NUMBER_OF_CATS} cats`;
 
 [mdn-docs]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#Instance_methods
 [mdn-template-strings]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals
-
-```
-
-```
+[mdn-concatenation]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String#long_literal_strings

exercises/concept/poetry-club-door-policy/.docs/hints.md

@@ -7,14 +7,13 @@
 
 ## 2. Capitalize a word
 
-- Capitalization means having a single Uppercase character, followed by lowercase characters.
-- There are two methods to take a part of a string (for example, everything except the first character).
+- Capitalization means having a single _Uppercase_ character, followed by _lowercase_ characters.
+- There are two methods to take a portion of a string (for example, everything except the first character).
 - `.slice(position)` can slice up a string at a position.
 
 ## 3. Get the last letter of a sentence
 
-- This is similar to getting the first letter, except that it might be preferable to use the number of characters in the string to find the position
-  of the last character.
+- This is similar to getting the first letter, except that it might be preferable to use the number of characters in the string to find the position of the last character.
 - The number of characters in a string is given by its `.length` property.
 
 ## 4. Trim a sentence