diff --git a/doc/flows.md b/doc/flows.md
index 99f9d46..64f0d0d 100644
--- a/doc/flows.md
+++ b/doc/flows.md
@@ -20,10 +20,10 @@ flowchart TD
 
 2. **`requirement`**: [Requirement](#requirement)
 
-3. **`authorization`**: [Authorization](authorizations.md) <a id="authorization"></a><br>
+3. **`authorization`**: [Authorization](authorizations.md) <a id="authorization"></a>**Required**<br>
    Will be evaluated to ensure the requesting user is allowed to access [the environment of this flow](#environment).
 
-4. **`environment`**: [Environment](environments.md) <a id="evironment"></a><br>
+4. **`environment`**: [Environment](environments.md) <a id="evironment"></a>**Required**<br>
    Once all requirements are fulfilled and the user is authorized successfully, he will execute into this [environment](environments.md).
 
 ### Example