diff --git a/README.md b/README.md
index 0804dd6..e69df36 100644
--- a/README.md
+++ b/README.md
@@ -33,3 +33,16 @@ cd sstv-testbed
 ```
 
 4. Check the results in the `output` folder
+
+Files
+-----
+A quick rundown of the different files in this repo.
+* `run_iq_test.sh` runs `sstv_testbed_iq.grc` on the samples in `samples_iq`
+* `run_ogg_test.sh` runs `sstv_testbed_ogg.grc` on the samples in `samples_ogg`
+* `render.py` prototype of the rendering code in the decoder block
+* `sstv_demod.grc` prototype of the decoder flowgraph, produces `demod.dat` for render.py
+* `sstv_pd120_rtl.grc` Receiver flowgraph for live testing with an rtl-sdr
+* `sstv_testbed_iq.grc` flowgraph for demodulating `samples_iq`
+* `sstv_testbed_ogg.grc` flowgraph for demodulating `samples_ogg`
+* `setup_env.sh` stets up some environment variable to make gnuradio find all the shared object files.
+  May be required on some systems.