diff --git a/tests/cases/unittests/convertToBase64.ts b/tests/cases/unittests/convertToBase64.ts
index 96c082ae789..d316bd58364 100644
--- a/tests/cases/unittests/convertToBase64.ts
+++ b/tests/cases/unittests/convertToBase64.ts
@@ -8,25 +8,25 @@ module ts {
             assert.equal(actual, expected, "Encoded string using convertToBase64 does not match buffer.toString('base64')");
         }
 
-        it("Converts ASCII charaters correctelly", () => {
+        it("Converts ASCII charaters correctly", () => {
             runTest(" !\"#$ %&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~");
         });
 
-        it("Converts escape sequences correctelly", () => {
+        it("Converts escape sequences correctly", () => {
             runTest("\t\n\r\\\"\'\u0062");
         });
 
-        it("Converts simple unicode characters correctelly", () => {
+        it("Converts simple unicode characters correctly", () => {
             runTest("ΠΣ ٵپ औठ ⺐⺠");
         });
 
-        it("Converts simple code snippit correctelly", () => {
+        it("Converts simple code snippet correctly", () => {
             runTest(`/// <reference path="file.ts" /> 
 var x: string = "string";
 console.log(x);`);
         });
 
-        it("Converts simple code snippit with unicode characters correctelly", () => {
+        it("Converts simple code snippet with unicode characters correctly", () => {
             runTest(`var Π = 3.1415; console.log(Π);`);
         });
     });