diff --git a/docs/3.implementation.md b/docs/3.implementation.md
index 5a152c7..9bc993f 100644
--- a/docs/3.implementation.md
+++ b/docs/3.implementation.md
@@ -22,7 +22,8 @@ public class OcpiCredentialsController : OcpiController
 }
 ```
 
-The OCPI.Net Versioning implementation requires your OCPI endpoint routes to start with the ocpi version number. For example, if your OCPI version is `2.2.1`, your endpoints should start with `2.2.1/`. This allows the package to determine which routes are intended for which OCPI version.
+> ⚠️
+> The OCPI.Net Versioning implementation requires your OCPI endpoint routes to start with the ocpi version number. For example, if your OCPI version is `2.2.1`, your endpoints should start with `2.2.1/`. This allows the package to determine which routes are intended for which OCPI version.
 
 Refer to the [Versioning](4.versioning.md) section for more information on OCPI module versioning.