diff --git a/openstack/blockstorage/v1/apiversions/doc.go b/openstack/blockstorage/v1/apiversions/doc.go
index c3c486f..e3af39f 100644
--- a/openstack/blockstorage/v1/apiversions/doc.go
+++ b/openstack/blockstorage/v1/apiversions/doc.go
@@ -1,3 +1,3 @@
 // Package apiversions provides information and interaction with the different
-// API versions for the OpenStack Cinder service.
+// API versions for the OpenStack Block Storage service, code-named Cinder.
 package apiversions
diff --git a/openstack/blockstorage/v1/snapshots/doc.go b/openstack/blockstorage/v1/snapshots/doc.go
new file mode 100644
index 0000000..198f830
--- /dev/null
+++ b/openstack/blockstorage/v1/snapshots/doc.go
@@ -0,0 +1,5 @@
+// Package snapshots provides information and interaction with snapshots in the
+// OpenStack Block Storage service. A snapshot is a point in time copy of the
+// data contained in an external storage volume, and can be controlled
+// programmatically.
+package snapshots
diff --git a/openstack/blockstorage/v1/volumes/doc.go b/openstack/blockstorage/v1/volumes/doc.go
new file mode 100644
index 0000000..307b8b1
--- /dev/null
+++ b/openstack/blockstorage/v1/volumes/doc.go
@@ -0,0 +1,5 @@
+// Package volumes provides information and interaction with volumes in the
+// OpenStack Block Storage service. A volume is a detachable block storage
+// device, akin to a USB hard drive. It can only be attached to one instance at
+// a time.
+package volumes
diff --git a/openstack/blockstorage/v1/volumetypes/doc.go b/openstack/blockstorage/v1/volumetypes/doc.go
new file mode 100644
index 0000000..793084f
--- /dev/null
+++ b/openstack/blockstorage/v1/volumetypes/doc.go
@@ -0,0 +1,9 @@
+// Package volumetypes provides information and interaction with volume types
+// in the OpenStack Block Storage service. A volume type indicates the type of
+// a block storage volume, such as SATA, SCSCI, SSD, etc. These can be
+// customized or defined by the OpenStack admin.
+//
+// You can also define extra_specs associated with your volume types. For
+// instance, you could have a VolumeType=SATA, with extra_specs (RPM=10000,
+// RAID-Level=5) . Extra_specs are defined and customized by the admin.
+package volumetypes