diff --git a/README.md b/README.md
index 6e02454..c46cd5e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,15 @@ Inspired by (obvious if one read the code) - but *not a port of* - [jonesforth](
 
 It will likely never be "complete" - the primary purpose is as a vehicle for me to learn arm + rp2040 assembler.
 
-## Implemented
+## Bugs
+
+Yes, and lots of them.
+
+Notably, there is no error handling at all. This is by design (as in - I haven't gotten around to fixing it yet). 
+Use an SWD adapter (picoprobe, jlink, ...) with gdb to avoid having to pull the plug all the time. You want one anyway, it makes life easier.
+
+
+## Implemented words
 
 | Word                                           | Description                                                                                                                                                                                                                            | Example                                  |
 |------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------|