diff --git a/README.md b/README.md
index 5feb832..231d8e6 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,11 @@
 # recorder
 Recorder
+
+## Requirements
+
+* [hiredis](https://github.com/redis/hiredis) unless `HAVE_REDIS` is false.
+
+## Installation
+
+1. Edit `config.h`
+2. Type `make`