diff --git a/pep-0571.rst b/pep-0571.rst
index 3fea4df7d..fd0697b51 100644
--- a/pep-0571.rst
+++ b/pep-0571.rst
@@ -192,7 +192,7 @@ Compatibility with kernels that lack ``vsyscall``
 
 A Docker container assumes that its userland is compatible with its
 host's kernel.  Unfortunately, an increasingly common kernel
-configuration breaks breaks this assumption for x86_64 CentOS 6 Docker
+configuration breaks this assumption for x86_64 CentOS 6 Docker
 images.
 
 Versions 2.14 and earlier of ``glibc`` require the kernel provide an