diff --git a/terraform/aws/modules/drbd_node/variables.tf b/terraform/aws/modules/drbd_node/variables.tf
index 180d91c..250f6d7 100644
--- a/terraform/aws/modules/drbd_node/variables.tf
+++ b/terraform/aws/modules/drbd_node/variables.tf
@@ -14,7 +14,7 @@ variable "drbd_count" {
 }
 
 variable "vm_size" {
-  description = "The instance type of DRDB node"
+  description = "The instance type of DRBD node"
   type        = string
 }
 
diff --git a/terraform/azure/modules/drbd_node/variables.tf b/terraform/azure/modules/drbd_node/variables.tf
index 68744a6..d34fc8d 100644
--- a/terraform/azure/modules/drbd_node/variables.tf
+++ b/terraform/azure/modules/drbd_node/variables.tf
@@ -8,13 +8,13 @@ variable "name" {
 }
 
 variable "drbd_count" {
-  description = "Number of DRDB machines to deploy"
+  description = "Number of DRBD machines to deploy"
   type        = number
   default     = 2
 }
 
 variable "vm_size" {
-  description = "The instance type of DRDB node"
+  description = "The instance type of DRBD node"
   type        = string
 }
 
diff --git a/terraform/azure/modules/majority_maker_node/variables.tf b/terraform/azure/modules/majority_maker_node/variables.tf
index c7bcc01..d01b114 100644
--- a/terraform/azure/modules/majority_maker_node/variables.tf
+++ b/terraform/azure/modules/majority_maker_node/variables.tf
@@ -12,7 +12,7 @@ variable "node_count" {
 }
 
 variable "vm_size" {
-  description = "The instance type of DRDB node"
+  description = "The instance type of DRBD node"
   type        = string
 }
 
diff --git a/terraform/azure/variables.tf b/terraform/azure/variables.tf
index 7ba5eed..d50889b 100644
--- a/terraform/azure/variables.tf
+++ b/terraform/azure/variables.tf
@@ -592,12 +592,6 @@ variable "drbd_os_image" {
   default     = ""
 }
 
-variable "drdb_os_major_version" {
-  description = "The major OS version of SLES drdb VMs.  If not set, this value will be computed.  Example: 15"
-  type        = string
-  default     = ""
-}
-
 variable "drbd_image_uri" {
   description = "Path to a custom azure image in a storage account used to create the drbd machines"
   type        = string
diff --git a/terraform/gcp/modules/drbd_node/variables.tf b/terraform/gcp/modules/drbd_node/variables.tf
index 112de44..54bd8be 100644
--- a/terraform/gcp/modules/drbd_node/variables.tf
+++ b/terraform/gcp/modules/drbd_node/variables.tf
@@ -8,13 +8,13 @@ variable "name" {
 }
 
 variable "drbd_count" {
-  description = "Number of DRDB machines to deploy"
+  description = "Number of DRBD machines to deploy"
   type        = number
   default     = 2
 }
 
 variable "vm_size" {
-  description = "The instance type of DRDB node"
+  description = "The instance type of DRBD node"
   type        = string
 }