Add notmuch docs

1 files changed, 6 insertions, 0 deletions

diff --git a/README.md b/README.md
index 7b13d40..1f12ed9 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,12 @@ Then compile aerc:
 
     $ make
 
+aerc optionally supports notmuch. To enable it, you need to have a recent
+version of [notmuch](https://notmuchmail.org/#index7h2), including the header
+files (notmuch.h). Then compile aerc with the necessary build tags:
+
+    $ GOFLAGS=-tags=notmuch make
+
 ## Installation
 
     # make install