diff --git a/doc/api/assert.markdown b/doc/api/assert.markdown
index be476ce2fd..f3c1ad2f06 100644
--- a/doc/api/assert.markdown
+++ b/doc/api/assert.markdown
@@ -1,5 +1,7 @@
 # Assert
 
+    Stability: 5 - Locked
+
 This module is used for writing unit tests for your applications, you can
 access it with `require('assert')`.
 
diff --git a/doc/api/child_process.markdown b/doc/api/child_process.markdown
index 3e23dc37ea..f58a481e68 100644
--- a/doc/api/child_process.markdown
+++ b/doc/api/child_process.markdown
@@ -1,5 +1,7 @@
 # Child Process
 
+    Stability: 3 - Stable
+
 Node provides a tri-directional `popen(3)` facility through the
 `child_process` module.
 
diff --git a/doc/api/cluster.markdown b/doc/api/cluster.markdown
index 39e9444d1f..fbf913639f 100644
--- a/doc/api/cluster.markdown
+++ b/doc/api/cluster.markdown
@@ -1,5 +1,7 @@
 # Cluster
 
+    Stability: 1 Experimental - Drastic changes in future versions
+
 A single instance of Node runs in a single thread. To take advantage of
 multi-core systems the user will sometimes want to launch a cluster of Node
 processes to handle the load.
diff --git a/doc/api/crypto.markdown b/doc/api/crypto.markdown
index 1776412512..683a7ea402 100644
--- a/doc/api/crypto.markdown
+++ b/doc/api/crypto.markdown
@@ -1,5 +1,7 @@
 # Crypto
 
+    Stability: 3 - Stable
+
 Use `require('crypto')` to access this module.
 
 The crypto module requires OpenSSL to be available on the underlying platform.
diff --git a/doc/api/debugger.markdown b/doc/api/debugger.markdown
index 4f4cead808..5255a6b517 100644
--- a/doc/api/debugger.markdown
+++ b/doc/api/debugger.markdown
@@ -1,5 +1,7 @@
 # Debugger
 
+    Stability: 3 - Stable
+
 <!-- type=misc -->
 
 V8 comes with an extensive debugger which is accessible out-of-process via a
diff --git a/doc/api/dgram.markdown b/doc/api/dgram.markdown
index 150d5d8b15..b10660a69d 100644
--- a/doc/api/dgram.markdown
+++ b/doc/api/dgram.markdown
@@ -1,5 +1,7 @@
 # UDP / Datagram Sockets
 
+    Stability: 3 - Stable
+
 <!-- name=dgram -->
 
 Datagram sockets are available through `require('dgram')`.
diff --git a/doc/api/dns.markdown b/doc/api/dns.markdown
index 93d8bca233..13640f0bbd 100644
--- a/doc/api/dns.markdown
+++ b/doc/api/dns.markdown
@@ -1,5 +1,7 @@
 # DNS
 
+    Stability: 3 - Stable
+
 Use `require('dns')` to access this module. All methods in the dns module
 use C-Ares except for `dns.lookup` which uses `getaddrinfo(3)` in a thread
 pool. C-Ares is much faster than `getaddrinfo` but the system resolver is
diff --git a/doc/api/events.markdown b/doc/api/events.markdown
index b9000f2928..fed957d345 100644
--- a/doc/api/events.markdown
+++ b/doc/api/events.markdown
@@ -1,5 +1,7 @@
 # Events
 
+    Stability: 4 - API Frozen
+
 <!--type=module-->
 
 Many objects in Node emit events: a `net.Server` emits an event each time
diff --git a/doc/api/fs.markdown b/doc/api/fs.markdown
index 55ee35a0f5..620e478692 100644
--- a/doc/api/fs.markdown
+++ b/doc/api/fs.markdown
@@ -1,5 +1,7 @@
 # File System
 
+    Stability: 3 - Stable
+
 File I/O is provided by simple wrappers around standard POSIX functions.  To
 use this module do `require('fs')`. All the methods have asynchronous and
 synchronous forms.
diff --git a/doc/api/http.markdown b/doc/api/http.markdown
index 33c92ece4b..c95c27264e 100644
--- a/doc/api/http.markdown
+++ b/doc/api/http.markdown
@@ -1,5 +1,7 @@
 # HTTP
 
+    Stability: 3 - Stable
+
 To use the HTTP server and client one must `require('http')`.
 
 The HTTP interfaces in Node are designed to support many features
diff --git a/doc/api/https.markdown b/doc/api/https.markdown
index 1216ccd469..32724ca576 100644
--- a/doc/api/https.markdown
+++ b/doc/api/https.markdown
@@ -1,5 +1,7 @@
 # HTTPS
 
+    Stability: 3 - Stable
+
 HTTPS is the HTTP protocol over TLS/SSL. In Node this is implemented as a
 separate module.
 
diff --git a/doc/api/modules.markdown b/doc/api/modules.markdown
index 4f2426a428..22a1acc9d2 100644
--- a/doc/api/modules.markdown
+++ b/doc/api/modules.markdown
@@ -1,5 +1,7 @@
 # Modules
 
+    Stability: 5 - Locked
+
 <!--name=module-->
 
 Node has a simple module loading system.  In Node, files and modules are in
diff --git a/doc/api/net.markdown b/doc/api/net.markdown
index 8c3654df63..2b7e0418cb 100644
--- a/doc/api/net.markdown
+++ b/doc/api/net.markdown
@@ -1,5 +1,7 @@
 # net
 
+    Stability: 3 - Stable
+
 The `net` module provides you with an asynchronous network wrapper. It contains
 methods for creating both servers and clients (called streams). You can include
 this module with `require('net');`
diff --git a/doc/api/os.markdown b/doc/api/os.markdown
index 04fd5ace5f..0a8a17fd39 100644
--- a/doc/api/os.markdown
+++ b/doc/api/os.markdown
@@ -1,5 +1,7 @@
 # os
 
+    Stability: 4 - API Frozen
+
 Provides a few basic operating-system related utility functions.
 
 Use `require('os')` to access this module.
diff --git a/doc/api/path.markdown b/doc/api/path.markdown
index 06b6d21779..9447066965 100644
--- a/doc/api/path.markdown
+++ b/doc/api/path.markdown
@@ -1,5 +1,7 @@
 # Path
 
+    Stability: 3 - Stable
+
 This module contains utilities for handling and transforming file
 paths.  Almost all these methods perform only string transformations.
 The file system is not consulted to check whether paths are valid.
diff --git a/doc/api/querystring.markdown b/doc/api/querystring.markdown
index 4629550d7a..57a94736ae 100644
--- a/doc/api/querystring.markdown
+++ b/doc/api/querystring.markdown
@@ -1,5 +1,7 @@
 # Query String
 
+    Stability: 3 - Stable
+
 <!--name=querystring-->
 
 This module provides utilities for dealing with query strings.
diff --git a/doc/api/readline.markdown b/doc/api/readline.markdown
index bb4cceb524..8bb0045463 100644
--- a/doc/api/readline.markdown
+++ b/doc/api/readline.markdown
@@ -1,5 +1,7 @@
 # Readline
 
+    Stability: 3 - Stable
+
 To use this module, do `require('readline')`. Readline allows reading of a
 stream (such as STDIN) on a line-by-line basis.
 
diff --git a/doc/api/stdio.markdown b/doc/api/stdio.markdown
index 0a807bcf80..264c7c6ad5 100644
--- a/doc/api/stdio.markdown
+++ b/doc/api/stdio.markdown
@@ -1,5 +1,7 @@
 # console
 
+    Stability: 4 - API Frozen
+
 * {Object}
 
 <!--type=global-->
diff --git a/doc/api/stream.markdown b/doc/api/stream.markdown
index 0edf22fbd5..aaf321977f 100644
--- a/doc/api/stream.markdown
+++ b/doc/api/stream.markdown
@@ -1,5 +1,7 @@
 # Stream
 
+    Stability: 2 - Unstable
+
 A stream is an abstract interface implemented by various objects in Node.
 For example a request to an HTTP server is a stream, as is stdout. Streams
 are readable, writable, or both. All streams are instances of `EventEmitter`.
diff --git a/doc/api/timers.markdown b/doc/api/timers.markdown
index 72192eacdf..114a4b73c4 100644
--- a/doc/api/timers.markdown
+++ b/doc/api/timers.markdown
@@ -1,5 +1,7 @@
 # Timers
 
+    Stability: 5 - Locked
+
 All of the timer functions are globals.  You do not need to `require()`
 this module in order to use them.
 
diff --git a/doc/api/tls.markdown b/doc/api/tls.markdown
index f79c6203b4..c991973c6f 100644
--- a/doc/api/tls.markdown
+++ b/doc/api/tls.markdown
@@ -1,5 +1,7 @@
 # TLS (SSL)
 
+    Stability: 3 - Stable
+
 Use `require('tls')` to access this module.
 
 The `tls` module uses OpenSSL to provide Transport Layer Security and/or
diff --git a/doc/api/tty.markdown b/doc/api/tty.markdown
index 804db3b75e..21ac240ece 100644
--- a/doc/api/tty.markdown
+++ b/doc/api/tty.markdown
@@ -1,5 +1,7 @@
 # TTY
 
+    Stability: 3 - Stable
+
 Use `require('tty')` to access this module.
 
 Example:
@@ -26,15 +28,3 @@ terminal.
 
 `mode` should be `true` or `false`. This sets the properties of the current
 process's stdin fd to act either as a raw device or default.
-
-
-## tty.setWindowSize(fd, row, col)
-
-This function was removed in v0.6.0.
-
-## tty.getWindowSize(fd)
-
-This function was removed in v0.6.0. Use `process.stdout.getWindowSize()`
-instead.
-
-
diff --git a/doc/api/url.markdown b/doc/api/url.markdown
index cf3d70b42f..0267661303 100644
--- a/doc/api/url.markdown
+++ b/doc/api/url.markdown
@@ -1,5 +1,7 @@
 # URL
 
+    Stability: 3 - Stable
+
 This module has utilities for URL resolution and parsing.
 Call `require('url')` to use it.
 
diff --git a/doc/api/util.markdown b/doc/api/util.markdown
index bcade3980b..b2cb668ede 100644
--- a/doc/api/util.markdown
+++ b/doc/api/util.markdown
@@ -1,5 +1,7 @@
 # util
 
+    Stability: 5 - Locked
+
 These functions are in the module `'util'`. Use `require('util')` to access
 them.
 
diff --git a/doc/api/vm.markdown b/doc/api/vm.markdown
index dfcf3506cd..6d777dc448 100644
--- a/doc/api/vm.markdown
+++ b/doc/api/vm.markdown
@@ -1,5 +1,7 @@
 # Executing JavaScript
 
+    Stability: 3 - Stable
+
 <!--name=vm-->
 
 You can access this module with:
diff --git a/doc/api/zlib.markdown b/doc/api/zlib.markdown
index 13af64dd97..216da4882f 100644
--- a/doc/api/zlib.markdown
+++ b/doc/api/zlib.markdown
@@ -1,5 +1,7 @@
 # Zlib
 
+    Stability: 3 - Stable
+
 You can access this module with:
 
     var zlib = require('zlib');