diff --git a/QuickStart-EukPhylo.md b/QuickStart-EukPhylo.md
index 9f53faa..76a0b94 100644
--- a/QuickStart-EukPhylo.md
+++ b/QuickStart-EukPhylo.md
@@ -158,3 +158,8 @@ Here is a list of options or parameters user can add to the basic command line:
 * Removing sequences based on GC composition
 * * This needs first to identify the sequences by OGA, OGG, OG6, with the utility script OGidentifiers.py
 * * '--og_identifier', default = 'OG', choices = {'OG','OG6','OGA','OGG'}, help = 'Program to use for selecting seq by GC width')
+
+
+### Contamination Removal 
+
+### Concatenation
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