diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 16af6f9d07..2b5cb88efd 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -2228,6 +2228,14 @@ This check was removed for YP 2.3 release
functionality specific to the respective native or target
case.
+ Warning
+ When creating a recipe, you must follow this naming convention:
+
+ native-myrecipe.bb
+
+ Not doing so can lead to subtle problems because code exists
+ that depends on the naming convention.
+