diff --git a/README.md b/README.md
index 83a2495..7519316 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,9 @@ execute if std:out run return run function my_function
 ```
 
 # Functions
+> [!Note]
+> The functions under the `z_:` namespace are used internally by mcfstd and are not meant to be called directly unless you know what you are doing.
+
 <table>
 	<tr>
 		<th>Function</th>