complete seacr recommendation

config/config.yaml

@@ -200,7 +200,8 @@ macs2:
 #
 # - do: if unchecked, this rule is ignored.
 # - threshold: could be 'stringent' of 'relaxed'
-# - norm: specify "norm" for normalized or "non" for non-normalized data processing
+# - norm: specify "norm" for normalized or "non" for non-normalized data processing.
+#         if design:spike is set to yes, specify "non" according to SEACR manual
 #===============================================================================