diff --git a/README.md b/README.md
index e1ccde2..774467f 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,7 @@ Recently I was wondering if it is possible to run a program from the pico's ram.
 - int32
 - float
 - bool
+- (Strings or chars are currently not supported)
 
 ### Calculations
 ```lisp