diff --git a/README.md b/README.md
index fc990a659f5ad98b546120d80923afa631c3fa90..506fac1acc7994cf270bedb97c9de4b815be1ebe 100644
--- a/README.md
+++ b/README.md
@@ -67,3 +67,7 @@ port:8000
 elastic_url:no   
 pt_cut:7  
 ```
+## Compatibility
+
+The MicronDMA option is designed for use with picocomputing-2021.2.7.
+