diff --git a/README.md b/README.md
index 5752719..13d52d3 100644
--- a/README.md
+++ b/README.md
@@ -14,3 +14,11 @@ in blocking mode, and if it does not do this, there will be pipeline
 stalls.  In our case, this would result in lots of wasted bandwith as
 we will be seeking around the file to read and write, and so this
 feature needs to be disabled.
+
+Testing
+-------
+
+If you install the program, `entr`, you can use the top level target,
+`devtest` to automatically compile, install, and run the tests whenever
+a dependant file is modified.  The libssh2 library will not be built,
+and needs to be built manually.