Add CLI ABI documentation

Closes https://github.com/rfjakob/gocryptfs/issues/77

1 files changed, 7 insertions, 0 deletions

diff --git a/README.md b/README.md
index f130c52..905c3c0 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,13 @@ The [MANPAGE.md](Documentation/MANPAGE.md) containes a description of available
 If you already have gocryptfs installed, run `./MANPAGE-render.bash` to bring up the rendered manpage in
 your man pager (requires pandoc).
 
+Stable CLI ABI
+--------------
+
+If you want to call gocryptfs from your app or script, see
+[CLI_ABI.md](Documentation/CLI_ABI.md) for the official stable
+ABI. This ABI is regression-tested by the test suite.
+
 Storage Overhead
 ----------------