Mention that you can link to the Godot license to comply with it

tutorials/legal/complying_with_licenses.rst

@@ -78,6 +78,13 @@ Printed manual
 
 If the game includes printed manuals, license text can be included there.
 
+Link to the license
+^^^^^^^^^^^^^^^^^^^
+
+The Godot Engine developers consider that a link to godotengine.org/license
+in your game documentation or credits would be an acceptable way to satisfy
+the license terms. 
+
 Third-party licenses
 --------------------