diff --git a/README.md b/README.md
index 53f956d..9f5595a 100644
--- a/README.md
+++ b/README.md
@@ -108,3 +108,4 @@ Make the prototype.
     [x] AUDIO jack footprint fits
     [ ] AUDIO jack pin 4 not connected
     [x] BTN footprint too small
+    [ ] SMPS switcher jumpers for initial testing