diff --git a/src/core.js b/src/core.js
index 4dd7a90b8..79b7a12ca 100644
--- a/src/core.js
+++ b/src/core.js
@@ -647,7 +647,7 @@ var PDFDoc = (function PDFDocClosure() {
               buf[j + 1] = data[i + 1];
               buf[j + 2] = data[i + 2];
             }
-          } else if(components == 1) {
+          } else if (components == 1) {
             for (var i = 0, j = 0; i < rgbaLength; i += 4, j++) {
               buf[j] = data[i];
             }
diff --git a/src/evaluator.js b/src/evaluator.js
index 1a70b35c8..edef57f91 100644
--- a/src/evaluator.js
+++ b/src/evaluator.js
@@ -179,7 +179,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         return loadedName;
       }
 
-      function buildPaintImageXObject(image, inline) {        
+      function buildPaintImageXObject(image, inline) {
         var dict = image.dict;
         var w = dict.get('Width', 'W');
         var h = dict.get('Height', 'H');
diff --git a/src/image.js b/src/image.js
index 030c20952..38377b4f7 100644
--- a/src/image.js
+++ b/src/image.js
@@ -13,7 +13,7 @@ var PDFImage = (function PDFImageClosure() {
       // For natively supported jpegs send them to the main thread for decoding.
       var dict = image.dict;
       var colorSpace = dict.get('ColorSpace', 'CS');
-      colorSpace =  ColorSpace.parse(colorSpace, xref, res);
+      colorSpace = ColorSpace.parse(colorSpace, xref, res);
       var numComps = colorSpace.numComps;
       handler.send('jpeg_decode', [image.getIR(), numComps], function(message) {
         var data = message.data;
diff --git a/src/util.js b/src/util.js
index 8a775fd94..57dbca4bb 100644
--- a/src/util.js
+++ b/src/util.js
@@ -220,8 +220,8 @@ var Promise = (function PromiseClosure() {
   /**
    * Builds a promise that is resolved when all the passed in promises are
    * resolved.
-   * @param Array promises
-   * @return Promise
+   * @param {Promise[]} promises Array of promises to wait for.
+   * @return {Promise} New dependant promise.
    */
   Promise.all = function(promises) {
     var deferred = new Promise();
diff --git a/src/worker.js b/src/worker.js
index d1c8026d4..dfd6d9969 100644
--- a/src/worker.js
+++ b/src/worker.js
@@ -25,7 +25,7 @@ Message.prototype = {
     this.messager = messager;
     this.id = id;
   }
-}
+};
 
 function MessageHandler(name, comObj) {
   this.name = name;