diff --git a/sapi/apache2filter/EXPERIMENTAL b/sapi/apache2filter/EXPERIMENTAL
new file mode 100644
index 0000000000000..293159a693dec
--- /dev/null
+++ b/sapi/apache2filter/EXPERIMENTAL
@@ -0,0 +1,5 @@
+this module is experimental,
+its functions may change their names 
+or move to extension all together 
+so do not rely to much on them 
+you have been warned!
diff --git a/sapi/apache2handler/EXPERIMENTAL b/sapi/apache2handler/EXPERIMENTAL
new file mode 100644
index 0000000000000..293159a693dec
--- /dev/null
+++ b/sapi/apache2handler/EXPERIMENTAL
@@ -0,0 +1,5 @@
+this module is experimental,
+its functions may change their names 
+or move to extension all together 
+so do not rely to much on them 
+you have been warned!