Update configuring-the-netwrix-privilege-secure-rds-web-app-launcher.md

Instead of important it would be great if we can add a warning Infront of the updated sentence.

Author: pasanillege

docs/kb/privilegesecure/configuring-the-netwrix-privilege-secure-rds-web-app-launcher.md

@@ -55,6 +55,8 @@ Note that these settings affect all websites launched from this Web App Launcher
 ### API Settings
 In order to use the Web App Launcher, an Application User must be created in NPS. Once this is done, supply the username and API Key into the `AppUser` and `AppSecret` fields, respectively. The certificate should be placed in the Web App Launcher directory, with the directory indicated in the `AppCert` field as indicated:
 
+# Important: Any backslashes (\) in the app secret must be escaped with a preceeding backslash (\\)
+
 ![image.png](images/ka0Qk0000001EP7_00N0g000004CA0p_0EMQk000001tPOb.png)
 
 ### Web App Launcher Directories