diff --git a/lib/store/memory.js b/lib/store/memory.js
index 5bdc3ef25..b7af1bfd8 100644
--- a/lib/store/memory.js
+++ b/lib/store/memory.js
@@ -159,7 +159,7 @@ module.exports.MatrixInMemoryStore.prototype = {
         try {
             return this.localStorage.getItem("mxjssdk_memory_filter_" + filterName);
         }
-        catch(e) {}
+        catch (e) {}
         return null;
     },
 
diff --git a/lib/sync.js b/lib/sync.js
index f6e47e435..6ca40e87a 100644
--- a/lib/sync.js
+++ b/lib/sync.js
@@ -22,6 +22,7 @@ var FILTER_SYNC = "FILTER_SYNC";
  * Construct an entity which is able to sync with a homeserver.
  * @constructor
  * @param {MatrixClient} client The matrix client instance to use.
+ * @param {Object} opts Config options
  */
 function SyncApi(client, opts) {
     this.client = client;
diff --git a/lib/utils.js b/lib/utils.js
index 32741f2f6..f58a6533b 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -384,7 +384,8 @@ module.exports.runPolyfills = function() {
           throw new TypeError(' this is null or not defined');
         }
 
-        // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
+        // 1. Let O be the result of calling ToObject passing the |this| value as the
+        // argument.
         var O = Object(this);
 
         // 2. Let lenValue be the result of calling the Get internal method of O with the
@@ -420,7 +421,8 @@ module.exports.runPolyfills = function() {
           // c. If kPresent is true, then
           if (k in O) {
 
-            // i. Let kValue be the result of calling the Get internal method of O with argument Pk
+            // i. Let kValue be the result of calling the Get internal method of O with
+            // argument Pk
             kValue = O[k];
 
             // ii. Call the Call internal method of callback with T as the this value and