diff --git a/readme.txt b/readme.txt
index 8336c3b..65684e0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -313,6 +313,9 @@ Limitations
     An application using multiple screen buffers will not have separate
     attributes in each buffer.
 
+    Console input that is echoed will not be processed (which is probably a
+    good thing for escapes, but not so good for margins).
+
 
 Version History
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