Update isAnagram.md

snippets/isAnagram.md

@@ -5,7 +5,7 @@ tags: string,regexp,intermediate
 
 Checks if a string is an anagram of another string (case-insensitive, ignores spaces, punctuation and special characters).
 
-Use `String.toLowerCase()`, `String.prototype.replace()` with an appropriate regular expression to remove unnecessary characters, `String.prototype.split('')`, `Array.prototype.sort()` and `Array.prototype.join('')` on both strings to normalize them, then check if their normalized forms are equal.
+Use `String.prototype.toLowerCase()`, `String.prototype.replace()` with an appropriate regular expression to remove unnecessary characters, `String.prototype.split('')`, `Array.prototype.sort()` and `Array.prototype.join('')` on both strings to normalize them, then check if their normalized forms are equal.
 
 ```js
 const isAnagram = (str1, str2) => {
@@ -22,4 +22,4 @@ const isAnagram = (str1, str2) => {
 
 ```js
 isAnagram('iceman', 'cinema'); // true
-```
+```