Document our API stability policy. Fixes #312
diff --git a/docs/contributing.rst b/docs/contributing.rst
index 744f209..620e1b6 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -136,7 +136,6 @@
     // Bad
     long f(int,char *)
 
-
 Documentation
 -------------
 
diff --git a/docs/index.rst b/docs/index.rst
index 381063d..70558bd 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -75,4 +75,5 @@
 
     contributing
     security
+    api-stability
     community