diff --git a/bootstrapvz/providers/gce/README.rst b/bootstrapvz/providers/gce/README.rst
index 43fc0fe..3444e56 100644
--- a/bootstrapvz/providers/gce/README.rst
+++ b/bootstrapvz/providers/gce/README.rst
@@ -1,5 +1,5 @@
 Google Compute Engine
----------------------
+=====================
 
 The `GCE <https://cloud.google.com/products/compute-engine/>`__ provider
 can creates image as expected by GCE - i.e. raw disk image in \*.tar.gz
diff --git a/bootstrapvz/providers/kvm/README.rst b/bootstrapvz/providers/kvm/README.rst
index e9610ae..e5f72d4 100644
--- a/bootstrapvz/providers/kvm/README.rst
+++ b/bootstrapvz/providers/kvm/README.rst
@@ -1,5 +1,5 @@
 KVM
----
+===
 
 The `KVM <http://www.linux-kvm.org/page/Main_Page>`__ provider creates
 virtual images for Linux Kernel-based Virtual Machines. It supports the
diff --git a/bootstrapvz/providers/virtualbox/README.rst b/bootstrapvz/providers/virtualbox/README.rst
index ba36341..db8409e 100644
--- a/bootstrapvz/providers/virtualbox/README.rst
+++ b/bootstrapvz/providers/virtualbox/README.rst
@@ -1,5 +1,5 @@
 VirtualBox
-----------
+==========
 
 The `VirtualBox <https://www.virtualbox.org/>`__ provider can bootstrap
 to both .vdi and .vmdk images (raw images are also supported but do not