diff --git a/core/blocks.js b/core/blocks.js
index 606ef3f0b..9bd09a7dd 100644
--- a/core/blocks.js
+++ b/core/blocks.js
@@ -19,9 +19,14 @@
  */
 
 /**
- * @fileoverview Empty name space for the Blocks singleton.
+ * @fileoverview A mapping of block type names to block prototype objects.
  * @author spertus@google.com (Ellen Spertus)
  */
 'use strict';
 
+/**
+ * A mapping of block type names to block prototype objects.
+ * @name Blockly.Blocks
+ * @type {!Object<string,Object>} 
+ */
 goog.provide('Blockly.Blocks');
diff --git a/core/contextmenu.js b/core/contextmenu.js
index 90398d7b1..b19702c98 100644
--- a/core/contextmenu.js
+++ b/core/contextmenu.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.ContextMenu
+ * @namespace
+ */
 goog.provide('Blockly.ContextMenu');
 
 goog.require('goog.dom');
diff --git a/core/css.js b/core/css.js
index 95c93bf72..d00f9da74 100644
--- a/core/css.js
+++ b/core/css.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Css
+ * @namespace
+ */
 goog.provide('Blockly.Css');
 
 
diff --git a/core/extensions.js b/core/extensions.js
index 4e03f7a26..5259925bd 100644
--- a/core/extensions.js
+++ b/core/extensions.js
@@ -27,6 +27,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Extensions
+ * @namespace
+ **/
 goog.provide('Blockly.Extensions');
 
 
diff --git a/core/procedures.js b/core/procedures.js
index 39119dc12..543d46823 100644
--- a/core/procedures.js
+++ b/core/procedures.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Procedures
+ * @namespace
+ **/
 goog.provide('Blockly.Procedures');
 
 goog.require('Blockly.Blocks');
diff --git a/core/tooltip.js b/core/tooltip.js
index 84cd2eea0..310e6b9e2 100644
--- a/core/tooltip.js
+++ b/core/tooltip.js
@@ -29,6 +29,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Tooltip
+ * @namespace
+ **/
 goog.provide('Blockly.Tooltip');
 
 goog.require('goog.dom');
diff --git a/core/touch.js b/core/touch.js
index 362da2587..b73615148 100644
--- a/core/touch.js
+++ b/core/touch.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Touch
+ * @namespace
+ **/
 goog.provide('Blockly.Touch');
 
 goog.require('goog.events');
diff --git a/core/utils.js b/core/utils.js
index 453d49b34..2287d09e1 100644
--- a/core/utils.js
+++ b/core/utils.js
@@ -26,6 +26,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.utils
+ * @namespace
+ **/
 goog.provide('Blockly.utils');
 
 goog.require('Blockly.Touch');
diff --git a/core/variables.js b/core/variables.js
index 545333ebb..3f9754afd 100644
--- a/core/variables.js
+++ b/core/variables.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Variables
+ * @namespace
+ **/
 goog.provide('Blockly.Variables');
 
 goog.require('Blockly.Blocks');
diff --git a/core/widgetdiv.js b/core/widgetdiv.js
index a811339b3..c2a9a6537 100644
--- a/core/widgetdiv.js
+++ b/core/widgetdiv.js
@@ -26,6 +26,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.WidgetDiv
+ * @namespace
+ **/
 goog.provide('Blockly.WidgetDiv');
 
 goog.require('Blockly.Css');
diff --git a/core/xml.js b/core/xml.js
index 4911218d3..a3e8b6b2d 100644
--- a/core/xml.js
+++ b/core/xml.js
@@ -24,6 +24,10 @@
  */
 'use strict';
 
+/**
+ * @name Blockly.Xml
+ * @namespace
+ **/
 goog.provide('Blockly.Xml');
 
 goog.require('goog.asserts');