diff --git a/test/helper.js b/test/helper.js
index 79d5e541..c3cadab9 100644
--- a/test/helper.js
+++ b/test/helper.js
@@ -243,7 +243,7 @@
     testSupport.require('/node_modules/benchmark/benchmark.js');
     testSupport.require('/test/support/performance.js');
 
-    // Load it here so its pre-loaded in all suite blocks...
+    // Load it here so it is pre-loaded in all suite blocks...
     testSupport.requireICAL();
   }
 
diff --git a/test/parse_test.js b/test/parse_test.js
index 3e4efe58..ec75847c 100644
--- a/test/parse_test.js
+++ b/test/parse_test.js
@@ -94,7 +94,7 @@ suite('parserv2', function() {
 
           // NOTE: this is not an absolute test that serialization
           //       works as our parser should be error tolerant and
-          //       its remotely possible that we consistently produce
+          //       it is remotely possible that we consistently produce
           //       ICAL that only we can parse.
           jsonEqual(
             subject(ical),
diff --git a/test/recur_expansion_test.js b/test/recur_expansion_test.js
index 877c5656..e3cfc356 100644
--- a/test/recur_expansion_test.js
+++ b/test/recur_expansion_test.js
@@ -207,7 +207,7 @@ suite('recur_expansion', function() {
   });
 
   suite('#next', function() {
-    // I use JS dates widely because its much easier
+    // I use JS dates widely because it is much easier
     // to compare them via chai's deepEquals function
     var expected = [
       new Date(2012, 9, 2, 10),
diff --git a/test/stringify_test.js b/test/stringify_test.js
index 7ef61703..c0377922 100644
--- a/test/stringify_test.js
+++ b/test/stringify_test.js
@@ -45,7 +45,7 @@ suite('ICAL.stringify', function() {
 
           // NOTE: this is not an absolute test that serialization
           //       works as our parser should be error tolerant and
-          //       its remotely possible that we consistently produce
+          //       it is remotely possible that we consistently produce
           //       ICAL that only we can parse.
           jsonEqual(
             ICAL.parse(ical),