diff --git a/javascript.html.markdown b/javascript.html.markdown
index 75bdf1ad..199c3c09 100644
--- a/javascript.html.markdown
+++ b/javascript.html.markdown
@@ -186,7 +186,7 @@ someVar = myArray.shift(); // Remove first element and return it
 myArray.push(3); // Add as the last element
 someVar = myArray.pop(); // Remove last element and return it
 
-// Join all elements of an array with a string
+// Join all elements of an array with semicolon
 var myArray0 = [32,false,"js",12,56,90];
 myArray0.join(";") // = "32;false;js;12;56;90"
 
@@ -194,8 +194,9 @@ myArray0.join(";") // = "32;false;js;12;56;90"
 myArray0.slice(1,4); // = [false,"js",12]
 
 // Remove 4 elements starting from index 2, and insert there strings
-// "33","34" and "35"; return removed subarray
-myArray0.splice(2,4,"33","34","35");
+// "hi","wr" and "ld"; return removed subarray
+myArray0.splice(2,4,"hi","wr","ld"); // = ["js",12,56,90]
+// myArray0 === [32,false,"hi","wr","ld"]
 
 // JavaScript's objects are equivalent to "dictionaries" or "maps" in other
 // languages: an unordered collection of key-value pairs.