diff --git a/src/object-store/src/binding_context.hpp b/src/object-store/src/binding_context.hpp
index d57ce541..8290144b 100644
--- a/src/object-store/src/binding_context.hpp
+++ b/src/object-store/src/binding_context.hpp
@@ -80,7 +80,7 @@ public:
 
     struct ObserverState;
 
-    // Override this function if you want to recieve detailed information about
+    // Override this function if you want to receive detailed information about
     // external changes to a specific set of objects.
     // This is called before each operation which may advance the read
     // transaction to include
diff --git a/src/object-store/src/object_accessor.hpp b/src/object-store/src/object_accessor.hpp
index 5c54ad1d..7c718192 100644
--- a/src/object-store/src/object_accessor.hpp
+++ b/src/object-store/src/object_accessor.hpp
@@ -322,7 +322,7 @@ namespace realm {
 
             if (!try_update && row_index != realm::not_found) {
                 throw DuplicatePrimaryKeyValueException(object_schema.name, *primary_prop,
-                    "Attempting to create an object of type '" + object_schema.name + "' with an exising primary key value.");
+                    "Attempting to create an object of type '" + object_schema.name + "' with an existing primary key value.");
             }
         }
 
diff --git a/tests/js/realm-tests.js b/tests/js/realm-tests.js
index ec426327..6a9ba6b8 100644
--- a/tests/js/realm-tests.js
+++ b/tests/js/realm-tests.js
@@ -273,7 +273,7 @@ module.exports = {
     },
 
     testRealmCreateUpsert: function() {
-        var realm = new Realm({schema: [schemas.IntPrimary, schemas.AllTypes, schemas.TestObject]});
+        var realm = new Realm({schema: [schemas.IntPrimary, schemas.StringPrimary, schemas.AllTypes, schemas.TestObject]});
         realm.write(function() {
             var values = {
                 primaryCol: '0',
@@ -360,6 +360,19 @@ module.exports = {
             realm.create('AllTypesObject', {primaryCol: '1', objectCol: null}, true);
             TestCase.assertEqual(obj0.objectCol, null);
             TestCase.assertEqual(obj1.objectCol, null);
+
+            // test with string primaries
+            var obj =realm.create('StringPrimaryObject', {
+                primaryCol: '0',
+                valueCol: 0
+            });
+            TestCase.assertEqual(obj.valueCol, 0);
+
+            realm.create('StringPrimaryObject', {
+                primaryCol: '0',
+                valueCol: 1
+            }, true);
+            TestCase.assertEqual(obj.valueCol, 1);
         });
     },