diff --git a/readme.txt b/readme.txt
index cb2504f..5ce58c7 100644
--- a/readme.txt
+++ b/readme.txt
@@ -54,6 +54,7 @@ The shell supports argument in "quotes" and 'single quotes', as well as
   dot (.) and dot dot (..) for current and parent directories. The
   asterisk (*) wildcard is not currently supported
  The shell maintains a command history, use up and down arrows to access.
+ Piping and io redirects are not currently supported, yet.
  The following shell builtin commands or macros are available:
 
 clear	- clears the terminal window