diff --git a/pages/user_documentation.rst b/pages/user_documentation.rst
index 2569303a..057b8786 100644
--- a/pages/user_documentation.rst
+++ b/pages/user_documentation.rst
@@ -220,5 +220,5 @@ Crypt Support
 -------------
 
 With the htpasswd access, many encryption methods are available, and crypt is the
-default one in Radicale. Unfortunately, the ``crypt`` module is not unavailable on
+default one in Radicale. Unfortunately, the ``crypt`` module is unavailable on
 Windows, you have to pick another method on this OS.