Update snippet descriptions

snippets/addDaysToDate.md

@@ -3,7 +3,7 @@ title: addDaysToDate
 tags: date,intermediate
 ---
 
-Return the date of `n` days from the given date as a string representation.
+Calculates the date of `n` days from the given date, returning its string representation.
 
 - Use `new Date()` to create a date object from the first parameter.
 - Use `Date.getDate()` and `Date.setDate()` to add `n` days to the given date.

snippets/addMultipleEvents.md

@@ -3,7 +3,7 @@ title: addMultipleListeners
 tags: browser,event,intermediate
 ---
 
-Add multiple event listeners with the same handler to an element.
+Adds multiple event listeners with the same handler to an element.
 
 - Use `Array.prototype.forEach()` and `EventTarget.addEventListener()` to add multiple event listeners with an assigned callback function to an element.
 

snippets/addWeekDays.md

@@ -3,11 +3,12 @@ title: addWeekDays
 tags: date,intermediate
 ---
 
-Returns a date after adding given number of business days.
+Calculates the date after adding the ginen number of business days.
 
 - Use `Array.from()` to construct an array with `length` equal to the `count` of business days to be added.
 - Use `Array.prototype.reduce()` to iterate over the array, starting from `startDate` and incrementing, using `Date.getDate()` and `Date.setDate()`.
 - If the current `date` is on a weekend, update it again by adding either one day or two days to make it a weekday.
+- **NOTE:** Does not take official holidays into account.
 
 ```js
 const addWeekDays = (startDate, count) => 

snippets/all.md

@@ -3,7 +3,7 @@ title: all
 tags: array,beginner
 ---
 
-Returns `true` if the provided predicate function returns `true` for all elements in a collection, `false` otherwise.
+Checks if the provided predicate function returns `true` for all elements in a collection.
 
 - Use `Array.prototype.every()` to test if all elements in the collection return `true` based on `fn`.
 - Omit the second argument, `fn`, to use `Boolean` as a default.

snippets/allEqual.md

@@ -3,7 +3,7 @@ title: allEqual
 tags: array,beginner
 ---
 
-Check if all elements in an array are equal.
+Checks if all elements in an array are equal.
 
 - Use `Array.prototype.every()` to check if all the elements of the array are the same as the first one.
 - Elements in the array are compared using the strict comparison operator, which does not account for `NaN` self-inequality.

snippets/and.md

@@ -3,7 +3,7 @@ title: and
 tags: math,logic,beginner
 ---
 
-Returns `true` if both arguments are `true`, `false` otherwise.
+Checks if both arguments are `true`.
 
 - Use the logical and (`&&`) operator on the two given values.
 

snippets/any.md

@@ -3,7 +3,7 @@ title: any
 tags: array,beginner
 ---
 
-Returns `true` if the provided predicate function returns `true` for at least one element in a collection, `false` otherwise.
+Checks if the provided predicate function returns `true` for at least one element in a collection.
 
 - Use `Array.prototype.some()` to test if any elements in the collection return `true` based on `fn`.
 - Omit the second argument, `fn`, to use `Boolean` as a default.

snippets/aperture.md

@@ -3,9 +3,10 @@ title: aperture
 tags: array,intermediate
 ---
 
-Returns an array of `n`-tuples of consecutive elements.
+Creates an array of `n`-tuples of consecutive elements.
 
-- Use `Array.prototype.slice()` and `Array.prototype.map()` to create an array of appropriate length and populate it with `n`-tuples of consecutive elements from `arr`.
+- Use `Array.prototype.slice()` and `Array.prototype.map()` to create an array of appropriate length.
+- Populate the array with `n`-tuples of consecutive elements from `arr`.
 - If `n` is greater than the length of `arr`, return an empty array.
 
 ```js

snippets/ary.md

@@ -1,6 +1,6 @@
 ---
 title: ary
-tags: function,intermediate
+tags: function,advanced
 ---
 
 Creates a function that accepts up to `n` arguments, ignoring any additional arguments.

snippets/attempt.md

@@ -6,6 +6,7 @@ tags: function,intermediate
 Attempts to invoke a function with the provided arguments, returning either the result or the caught error object.
 
 - Use a `try... catch` block to return either the result of the function or an appropriate error.
+- If the caught object is not an `Error`, use it to create a new `Error`. 
 
 ```js
 const attempt = (fn, ...args) => {

snippets/average.md

@@ -3,7 +3,7 @@ title: average
 tags: math,array,beginner
 ---
 
-Returns the average of two or more numbers.
+Calculates the average of two or more numbers.
 
 - Use `Array.prototype.reduce()` to add each value to an accumulator, initialized with a value of `0`, divide by the `length` of the array.
 

snippets/averageBy.md

@@ -3,9 +3,10 @@ title: averageBy
 tags: math,array,intermediate
 ---
 
-Returns the average of an array, after mapping each element to a value using the provided function.
+Calculates the average of an array, after mapping each element to a value using the provided function.
 
-- Use `Array.prototype.map()` to map each element to the value returned by `fn`, `Array.prototype.reduce()` to add each value to an accumulator, initialized with a value of `0`, divide by the `length` of the array.
+- Use `Array.prototype.map()` to map each element to the value returned by `fn`.
+- Use `Array.prototype.reduce()` to add each value to an accumulator, initialized with a value of `0`, divide by the `length` of the array.
 
 ```js
 const averageBy = (arr, fn) =>

snippets/countWeekDaysBetween.md

@@ -8,6 +8,7 @@ Returns the weekday count between two dates.
 - Use `Array.from()` to construct an array with `length` equal to the number of days between `startDate` and `endDate`.
 - Use `Array.prototype.reduce()` to iterate over the array, checking if each date is a weekday and incrementing `count`.
 - Update `startDate` with the next day each loop using `Date.getDate()` and `Date.setDate()` to advance it by one day.
+- **NOTE:** Does not take official holidays into account.
 
 ```js
 const countWeekDaysBetween = (startDate, endDate) =>