diff --git a/docs/user-guide.rst b/docs/user-guide.rst
index 08e7167..45ce14c 100644
--- a/docs/user-guide.rst
+++ b/docs/user-guide.rst
@@ -251,7 +251,7 @@
 Identity Tokens
 +++++++++++++++
 
-`Google OpenID Connect`_ tokens are avaiable through :mod:`Service Account <google.oauth2.service_account>`,
+`Google OpenID Connect`_ tokens are available through :mod:`Service Account <google.oauth2.service_account>`,
 :mod:`Impersonated <google.auth.impersonated_credentials>`,
 and :mod:`Compute Engine <google.auth.compute_engine>`.  These tokens can be used to
 authenticate against `Cloud Functions`_, `Cloud Run`_, a user service behind