diff --git a/generic_data/Functions/functions.xml b/generic_data/Functions/functions.xml
index 2a8ccc0..7095fe8 100644
--- a/generic_data/Functions/functions.xml
+++ b/generic_data/Functions/functions.xml
@@ -111,7 +111,7 @@
     </function>
     <function name="filter()" args="3" kind="filter" group="space">
         <default_args>,6,100</default_args>
-        <info_brief>Remove Spikes: filter(param, factor,nPoints)</info_brief>
+        <info_brief>Remove Spikes ( ! Experimental ! ) : filter(param, factor,nPoints)</info_brief>
         <new_kernel>#filter</new_kernel>
     </function>
     <function name="vAlfven(,)" args="2" kind="physics" group="space">
--
libgit2 0.21.2