diff --git a/doc/api/readline.markdown b/doc/api/readline.markdown
index 7c9c00c1cf8..d66d8ed57ba 100644
--- a/doc/api/readline.markdown
+++ b/doc/api/readline.markdown
@@ -1,6 +1,6 @@
 # Readline
 
-    Stability: 3 - Stable
+    Stability: 2 - Unstable
 
 To use this module, do `require('readline')`. Readline allows reading of a
 stream (such as `process.stdin`) on a line-by-line basis.
diff --git a/doc/api/tty.markdown b/doc/api/tty.markdown
index 54c597732bd..57062945dc9 100644
--- a/doc/api/tty.markdown
+++ b/doc/api/tty.markdown
@@ -1,6 +1,6 @@
 # TTY
 
-    Stability: 3 - Stable
+    Stability: 2 - Unstable
 
 The `tty` module houses the `tty.ReadStream` and `tty.WriteStream` classes. In
 most cases, you will not need to use this module directly.