diff --git a/Snippets/Arrays/checkItemPresentInArray.js b/Snippets/Arrays/checkItemPresentInArray.js
index 8d70b45..fa16a88 100644
--- a/Snippets/Arrays/checkItemPresentInArray.js
+++ b/Snippets/Arrays/checkItemPresentInArray.js
@@ -1,4 +1,4 @@
-/**
+/*
  * Problem: Checks whether the dish you wish to eat is available in the menu
  */
 
diff --git a/Snippets/Arrays/convertArrayToString.js b/Snippets/Arrays/convertArrayToString.js
index 838bde6..9852912 100644
--- a/Snippets/Arrays/convertArrayToString.js
+++ b/Snippets/Arrays/convertArrayToString.js
@@ -9,3 +9,4 @@ console.log(typeof numbers.join(",")); // string
 
 const names = ["Javascript", "Python", "PHP"];
 console.log(names.join(",")); // 'Javascript', 'Python', 'PHP'
+
diff --git a/Snippets/Strings/lowerCaseConverter.js b/Snippets/Strings/lowerCaseConverter.js
new file mode 100644
index 0000000..6c88127
--- /dev/null
+++ b/Snippets/Strings/lowerCaseConverter.js
@@ -0,0 +1,7 @@
+// toLowerCase() method changes the string to lowercase letters.
+let favLanguage = "JavasCript";
+console.log(favLanguage.toLowerCase()); // javascript
+let standard = "ECMA";
+console.log(standard.toLowerCase()); // ecma
+let oneMoreLangugae = "PHP";
+console.log(oneMoreLangugae.toLowerCase()); // php
diff --git a/Snippets/Strings/upperCaseConverter.js b/Snippets/Strings/upperCaseConverter.js
new file mode 100644
index 0000000..3a6acf9
--- /dev/null
+++ b/Snippets/Strings/upperCaseConverter.js
@@ -0,0 +1,7 @@
+// toUpperCase() method changes the string to upper letters.
+let favLanguage = "JavasCript";
+console.log(favLanguage.toUpperCase()); // JAVASCRIPT
+let firstName = "ECMA";
+console.log(firstName.toUpperCase()); // ECMA
+let oneMoreLangugae = "Python";
+console.log(oneMoreLangugae.toUpperCase()); // PYTHON