diff --git a/Building-on-Linux.md b/Building-on-Linux.md
index c17192d..430f3f1 100644
--- a/Building-on-Linux.md
+++ b/Building-on-Linux.md
@@ -4,6 +4,8 @@
 - `barriers` the CLI server component
 - `barrierc` the CLI client component
 
+**note**: these aren't the only things build at compile time, but  merely what the end-user is expected to use.
+
 ## Ubuntu/Debian/Raspbian: Build from source
 
 ```