diff --git a/B-mass-model.md b/B-mass-model.md
index 034de6e..48c7e3d 100644
--- a/B-mass-model.md
+++ b/B-mass-model.md
@@ -32,6 +32,7 @@ root
  .L MassFit.cpp+
  .q
 ```
+There might be some warning about unitialized variables, just ignore those.
 
 ## Adding double crystal ball and ExpGauss to RooFit