diff --git a/V6/README.md b/V6/README.md
index faa64b6..35d6e89 100644
--- a/V6/README.md
+++ b/V6/README.md
@@ -49,6 +49,10 @@ Before installation, there are a few support pieces that need to be removed:
 
 ### Plenum
 
+#### Printing
+
+The plenum STL file includes two small pieces, which you will install into the plenum after printing.
+
 #### Electronics
 
 **Required:**