diff --git a/docs/api-stability.rst b/docs/api-stability.rst
index 40608ac..a457306 100644
--- a/docs/api-stability.rst
+++ b/docs/api-stability.rst
@@ -22,7 +22,7 @@
 
 * We may add new features, things like the result of ``dir(obj))`` or the
   contents of ``obj.__dict__`` may change.
-* Objects are not guarnteed to be pickleable, and pickled objects from one
+* Objects are not guaranteed to be pickleable, and pickled objects from one
   version of ``cryptography`` may not be loadable in future versions.
 * Development versions of ``cryptography``. Before a feature is in a release,
   it is not covered by this policy and may change.