diff --git a/10/umbraco-workflow/installation/licensing.md b/10/umbraco-workflow/installation/licensing.md
index 8f4cf770d2f..7a352c4964e 100644
--- a/10/umbraco-workflow/installation/licensing.md
+++ b/10/umbraco-workflow/installation/licensing.md
@@ -40,6 +40,14 @@ Once you have received your license code it needs to be installed on your site.
 }
 ```
 
+{% hint style="info" %}
+You might run into issues when using a period in the product name when using environment variables. Use an underscore in the product name instead, to avoid problems.
+
+```json
+"Umbraco_Workflow": "YOUR_LICENSE_KEY"
+```
+{% endhint %}
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a licenses dashboard which should display the status of your license.
diff --git a/13/umbraco-workflow/installation/licensing.md b/13/umbraco-workflow/installation/licensing.md
index 3ed887d3044..8410dbca4e6 100644
--- a/13/umbraco-workflow/installation/licensing.md
+++ b/13/umbraco-workflow/installation/licensing.md
@@ -38,6 +38,14 @@ Once you have received your license code it needs to be installed on your site.
 }
 ```
 
+{% hint style="info" %}
+You might run into issues when using a period in the product name when using environment variables. Use an underscore in the product name instead, to avoid problems.
+
+```json
+"Umbraco_Workflow": "YOUR_LICENSE_KEY"
+```
+{% endhint %}
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a licenses dashboard which should display the status of your license.
diff --git a/14/umbraco-workflow/installation/licensing.md b/14/umbraco-workflow/installation/licensing.md
index e0d3b9a371b..6d5bbaa0951 100644
--- a/14/umbraco-workflow/installation/licensing.md
+++ b/14/umbraco-workflow/installation/licensing.md
@@ -39,6 +39,14 @@ Once you have received your license code it needs to be installed on your site.
 }
 ```
 
+{% hint style="info" %}
+You might run into issues when using a period in the product name when using environment variables. Use an underscore in the product name instead, to avoid problems.
+
+```json
+"Umbraco_Workflow": "YOUR_LICENSE_KEY"
+```
+{% endhint %}
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a licenses dashboard which should display the status of your license.
diff --git a/15/umbraco-workflow/installation/licensing.md b/15/umbraco-workflow/installation/licensing.md
index e9e6ba474df..e3c9d727fa5 100644
--- a/15/umbraco-workflow/installation/licensing.md
+++ b/15/umbraco-workflow/installation/licensing.md
@@ -39,6 +39,14 @@ Once you have received your license code it needs to be installed on your site.
 }
 ```
 
+{% hint style="info" %}
+You might run into issues when using a period in the product name when using environment variables. Use an underscore in the product name instead, to avoid problems.
+
+```json
+"Umbraco_Workflow": "YOUR_LICENSE_KEY"
+```
+{% endhint %}
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a licenses dashboard which should display the status of your license.
diff --git a/16/umbraco-workflow/installation/licensing.md b/16/umbraco-workflow/installation/licensing.md
index e9e6ba474df..e3c9d727fa5 100644
--- a/16/umbraco-workflow/installation/licensing.md
+++ b/16/umbraco-workflow/installation/licensing.md
@@ -39,6 +39,14 @@ Once you have received your license code it needs to be installed on your site.
 }
 ```
 
+{% hint style="info" %}
+You might run into issues when using a period in the product name when using environment variables. Use an underscore in the product name instead, to avoid problems.
+
+```json
+"Umbraco_Workflow": "YOUR_LICENSE_KEY"
+```
+{% endhint %}
+
 ### Verify the license installation
 
 You can verify that your license is successfully installed by logging into your project's backoffice and navigating to the settings section. Here you will see a licenses dashboard which should display the status of your license.