diff --git a/charts/enterprise/authelia/Chart.yaml b/charts/enterprise/authelia/Chart.yaml
index 4137965e3ff..6d85c431a73 100644
--- a/charts/enterprise/authelia/Chart.yaml
+++ b/charts/enterprise/authelia/Chart.yaml
@@ -35,7 +35,7 @@ sources:
   - https://github.com/authelia/chartrepo
   - https://github.com/authelia/authelia
 type: application
-version: 15.1.29
+version: 15.1.30
 annotations:
   truecharts.org/catagories: |
     - security
diff --git a/charts/enterprise/authelia/docs/Setup-Guide.md b/charts/enterprise/authelia/docs/Setup-Guide.md
index c9bd097d5c3..fa4c8b6d053 100644
--- a/charts/enterprise/authelia/docs/Setup-Guide.md
+++ b/charts/enterprise/authelia/docs/Setup-Guide.md
@@ -30,9 +30,8 @@ LLDAP is a `Stable` train chart and therefore isn't supported at the same level
 
 ### App Configuration
 
-Domain: `mydomain.com` <- Your domain without https://
-Default Redirection URL: `auth.mydomain.com`
-  - Can be anything, but we'll stick to auth.mydomain.com. As well, this will be the ingress URL for `Authelia`
+- Domain: `mydomain.com` <- Your domain without https://
+- Default Redirection URL: `https://auth.mydomain.com` <- Can be anything, but we'll stick to auth.mydomain.com. As well, this will be the ingress URL for `Authelia`
 
 ### LDAP Backend Configuration
 
diff --git a/charts/enterprise/authelia/docs/validation.md b/charts/enterprise/authelia/docs/validation.md
new file mode 100644
index 00000000000..d630cfe9c17
--- /dev/null
+++ b/charts/enterprise/authelia/docs/validation.md
@@ -0,0 +1,23 @@
+# Input Validation
+
+**`Default Redirection URL`**
+
+Accepts:
+
+- `https://`
+- DNS host
+- Characters (`0-9`, `a-z`, `A-Z`, `-`, `.`)
+
+Accepted formats are:
+
+- `https://dnshost`
+- `https://DNSHOST`
+- `https://DNS-HOST`
+- `https://dns-host`
+
+Regex used to match this: `^https?:\/\/(.*)`
+You can try live [here](https://regex101.com/r/zFt9zy/1)
+
+---
+
+_If you find a field that you think it needs validation, please open an issue on github_
diff --git a/charts/enterprise/authelia/questions.yaml b/charts/enterprise/authelia/questions.yaml
index 4f5e5609b6c..ce13acb4760 100644
--- a/charts/enterprise/authelia/questions.yaml
+++ b/charts/enterprise/authelia/questions.yaml
@@ -28,6 +28,7 @@ questions:
     schema:
       type: string
       default: ""
+      valid_chars: '^https?:\/\/(.*)'
   - variable: theme
     group: "App Configuration"
     label: "Theme"