diff --git a/google/cloud/bigtable/cluster.py b/google/cloud/bigtable/cluster.py
index b2957bc2a..9048c94f4 100644
--- a/google/cloud/bigtable/cluster.py
+++ b/google/cloud/bigtable/cluster.py
@@ -59,7 +59,7 @@ class Cluster(object):
                                  Possible values are represented by the
                                  following constants:
                                  :data:`google.cloud.bigtable.enums.StorageType.SSD`.
-                                 :data:`google.cloud.bigtable.enums.StorageType.SHD`,
+                                 :data:`google.cloud.bigtable.enums.StorageType.HDD`,
                                  Defaults to
                                  :data:`google.cloud.bigtable.enums.StorageType.UNSPECIFIED`.
 
diff --git a/google/cloud/bigtable/instance.py b/google/cloud/bigtable/instance.py
index c5d3ce8b6..3656f40a4 100644
--- a/google/cloud/bigtable/instance.py
+++ b/google/cloud/bigtable/instance.py
@@ -268,7 +268,7 @@ def create(
                                       Possible values are represented
                                       by the following constants:
                                       :data:`google.cloud.bigtable.enums.StorageType.SSD`.
-                                      :data:`google.cloud.bigtable.enums.StorageType.SHD`,
+                                      :data:`google.cloud.bigtable.enums.StorageType.HDD`,
                                       Defaults to
                                       :data:`google.cloud.bigtable.enums.StorageType.UNSPECIFIED`.
 
@@ -564,7 +564,7 @@ def cluster(
                                      Possible values are represented by the
                                      following constants:
                                      :data:`google.cloud.bigtable.enums.StorageType.SSD`.
-                                     :data:`google.cloud.bigtable.enums.StorageType.SHD`,
+                                     :data:`google.cloud.bigtable.enums.StorageType.HDD`,
                                      Defaults to
                                      :data:`google.cloud.bigtable.enums.StorageType.UNSPECIFIED`.