diff --git a/generic_data/Functions/functions.xml b/generic_data/Functions/functions.xml
index a44ab00..2a8ccc0 100644
--- a/generic_data/Functions/functions.xml
+++ b/generic_data/Functions/functions.xml
@@ -110,8 +110,8 @@
         <new_kernel>#timeShift</new_kernel>
     </function>
     <function name="filter()" args="3" kind="filter" group="space">
-        <default_args>,100,6</default_args>
-        <info_brief>Remove Spikes: filter(param, nPoints, factor)</info_brief>
+        <default_args>,6,100</default_args>
+        <info_brief>Remove Spikes: filter(param, factor,nPoints)</info_brief>
         <new_kernel>#filter</new_kernel>
     </function>
     <function name="vAlfven(,)" args="2" kind="physics" group="space">
--
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