diff --git a/snippets/last.md b/snippets/last.md
index 67156763f..f8a3b04c5 100644
--- a/snippets/last.md
+++ b/snippets/last.md
@@ -10,7 +10,7 @@ lastUpdated: 2020-10-20T23:02:01+03:00
 Returns the last element in an array.
 
 - Check if `arr` is truthy and has a `length` property.
-- Use `Array.prototype.length - 1` to compute the index of the last element of the given array and return it, otherwise return `undefined`.
+- Use `Array.prototype.length` to compute the index of the last element of the given array and return it, otherwise return `undefined`.
 
 ```js
 const last = arr => (arr && arr.length ? arr[arr.length - 1] : undefined);
diff --git a/snippets/objectToMap.md b/snippets/objectToMap.md
index 76eb54473..16305fb58 100644
--- a/snippets/objectToMap.md
+++ b/snippets/objectToMap.md
@@ -10,7 +10,7 @@ firstSeen: 2022-06-16T05:00:00-04:00
 
 Converts an object to a `Map`.
 
-- Use `Object.entries` to convert the object to an array of key-value pairs.
+- Use `Object.entries()` to convert the object to an array of key-value pairs.
 - Use the `Map` constructor to convert the array to a `Map`.
 
 ```js
diff --git a/snippets/replaceLast.md b/snippets/replaceLast.md
index 8f5099fa0..ab723b3be 100644
--- a/snippets/replaceLast.md
+++ b/snippets/replaceLast.md
@@ -12,7 +12,7 @@ Replaces the last occurrence of a pattern in a string.
 
 - Use `typeof` to determine if `pattern` is a string or a regular expression.
 - If the `pattern` is a string, use it as the `match`.
-- Otherwise, use the `RegeExp` constructor to create a new regular expression using the `RegExp.prototype.source` of the `pattern` and adding the `'g'` flag to it. Use `String.prototype.match()` and `Array.prototype.slice()` to get the last match, if any.
+- Otherwise, use the `RegExp` constructor to create a new regular expression using the `RegExp.prototype.source` of the `pattern` and adding the `'g'` flag to it. Use `String.prototype.match()` and `Array.prototype.slice()` to get the last match, if any.
 - Use `String.prototype.lastIndexOf()` to find the last occurrence of the match in the string.
 - If a match is found, use `String.prototype.slice()` and a template literal to replace the matching substring with the given `replacement`.
 - If no match is found, return the original string.