diff --git a/README.adoc b/README.adoc
index e93a0c87..02e25af5 100644
--- a/README.adoc
+++ b/README.adoc
@@ -36,14 +36,14 @@ The following requirements are needed by this module:
 
 The following providers are used by this module:
 
+- [[provider_null]] <<provider_null,null>> (>= 3)
+
 - [[provider_random]] <<provider_random,random>> (>= 3)
 
 - [[provider_utils]] <<provider_utils,utils>> (>= 1)
 
 - [[provider_argocd]] <<provider_argocd,argocd>> (>= 5)
 
-- [[provider_null]] <<provider_null,null>> (>= 3)
-
 === Resources
 
 The following resources are used by this module:
@@ -78,7 +78,7 @@ The following input variables are optional (have default values):
 
 ==== [[input_subdomain]] <<input_subdomain,subdomain>>
 
-Description: Sub domain of the cluster. Value used for the ingress' URL of the application.
+Description: Subdomain of the cluster. Value used for the ingress' URL of the application.
 
 Type: `string`
 
@@ -265,7 +265,7 @@ Description: ID to pass other modules in order to refer to this module as a depe
 |yes
 
 |[[input_subdomain]] <<input_subdomain,subdomain>>
-|Sub domain of the cluster. Value used for the ingress' URL of the application.
+|Subdomain of the cluster. Value used for the ingress' URL of the application.
 |`string`
 |`"apps"`
 |no
diff --git a/aks/README.adoc b/aks/README.adoc
index a857e818..fdc54895 100644
--- a/aks/README.adoc
+++ b/aks/README.adoc
@@ -282,7 +282,7 @@ The following input variables are optional (have default values):
 
 ==== [[input_subdomain]] <<input_subdomain,subdomain>>
 
-Description: Sub domain of the cluster. Value used for the ingress' URL of the application.
+Description: Subdomain of the cluster. Value used for the ingress' URL of the application.
 
 Type: `string`
 
@@ -492,7 +492,7 @@ object({
 |yes
 
 |[[input_subdomain]] <<input_subdomain,subdomain>>
-|Sub domain of the cluster. Value used for the ingress' URL of the application.
+|Subdomain of the cluster. Value used for the ingress' URL of the application.
 |`string`
 |`"apps"`
 |no
diff --git a/eks/README.adoc b/eks/README.adoc
index 93659b60..241cfa61 100644
--- a/eks/README.adoc
+++ b/eks/README.adoc
@@ -275,7 +275,7 @@ The following input variables are optional (have default values):
 
 ==== [[input_subdomain]] <<input_subdomain,subdomain>>
 
-Description: Sub domain of the cluster. Value used for the ingress' URL of the application.
+Description: Subdomain of the cluster. Value used for the ingress' URL of the application.
 
 Type: `string`
 
@@ -461,7 +461,7 @@ object({
 |yes
 
 |[[input_subdomain]] <<input_subdomain,subdomain>>
-|Sub domain of the cluster. Value used for the ingress' URL of the application.
+|Subdomain of the cluster. Value used for the ingress' URL of the application.
 |`string`
 |`"apps"`
 |no
diff --git a/kind/README.adoc b/kind/README.adoc
index 2ef6af27..b8bafead 100644
--- a/kind/README.adoc
+++ b/kind/README.adoc
@@ -209,7 +209,7 @@ The following input variables are optional (have default values):
 
 ==== [[input_subdomain]] <<input_subdomain,subdomain>>
 
-Description: Sub domain of the cluster. Value used for the ingress' URL of the application.
+Description: Subdomain of the cluster. Value used for the ingress' URL of the application.
 
 Type: `string`
 
@@ -397,7 +397,7 @@ object({
 |yes
 
 |[[input_subdomain]] <<input_subdomain,subdomain>>
-|Sub domain of the cluster. Value used for the ingress' URL of the application.
+|Subdomain of the cluster. Value used for the ingress' URL of the application.
 |`string`
 |`"apps"`
 |no
diff --git a/sks/README.adoc b/sks/README.adoc
index 85f48266..8243ea99 100644
--- a/sks/README.adoc
+++ b/sks/README.adoc
@@ -158,7 +158,7 @@ The following input variables are optional (have default values):
 
 ==== [[input_subdomain]] <<input_subdomain,subdomain>>
 
-Description: Sub domain of the cluster. Value used for the ingress' URL of the application.
+Description: Subdomain of the cluster. Value used for the ingress' URL of the application.
 
 Type: `string`
 
@@ -351,7 +351,7 @@ object({
 |yes
 
 |[[input_subdomain]] <<input_subdomain,subdomain>>
-|Sub domain of the cluster. Value used for the ingress' URL of the application.
+|Subdomain of the cluster. Value used for the ingress' URL of the application.
 |`string`
 |`"apps"`
 |no